NewLead HVAC Installer Total ComfortLead HVAC InstallerRichmond, VA$60,000–$100,000 / yearTotal Comfort, is part of the ARS family of HVAC professionals, the nation’s largest provider of residential HVAC, plumbing, and electrical services with 7,000+ team members and over 45 years of experience. Responsibilities: Disassemble and remove outdated HVAC systems, then install, start up, and troubleshoot new residential HVAC systems.
NewSr. Service HVAC Technician - Applied- Ashland, VA Trane TechnologiesSr. Service HVAC Technician - Applied- Ashland, VAAshland, VA$27.69–$51.49 / hourAdditional Requirements and Environmental Exposure: Must be able to safely and legally operate a vehicle using a seat belt Must be able to wear helmets, safety goggles, fall protection harness and safety boots to safely perform job duties Must be able to twist the trunk of your body 90 degrees in each direction Must be able to squat and touch the floor with both hands Must be able to reach your hands over your head Must be able to stand on concrete surfaces for extended periods, routinely up to 4 hours This position is highly physical and requires regular use of hands, fingers, walking, stooping, kneeling and climbing ladders. or less Must be able to maneuver confined access areas, as small as 30” vertical x 45” horizontal Must be able to comfortably and routinely access rooftops with extension and/or fixed ladders at heights of 15’ to 20’, and occasionally, up to 50 feet This role may be exposed to variable weather conditions, moving mechanical parts, heights, risk of electrical shock, noisy operating equipment and other variable environmental conditions based on location Annual Base Salary Range or Hourly Base Pay Range: $27.69 - $51.49 Compensation Type: Hourly Incentive Eligible: No Sales Commission Eligible: No Disclaimer: We strive to provide competitive compensation for this position, tailored to a variety of factors.
HVAC/R Service Technician - Light Commercial CoolSysHVAC/R Service Technician - Light CommercialRichmond, VA$29–$52Sr, senior, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, install, mechanical, mechanic, apprentice, AC, field service, chiller, specialist, HVACR, supermarket, rack systems. The Service Tech 3-Industrial is responsible for repairing, maintaining, diagnosing, testing and performing scheduled inspections on advanced mechanical refrigeration systems and associated equipment throughout the facility.
NewHVAC Sales - One Call Close Total ComfortHVAC Sales - One Call CloseMidlothian, VAJoin Total Comfort / American Residential Services , the nation’s largest provider of residential HVAC, plumbing, and electrical services, with over 7,000 team members and more than 45 years of experience delivering trusted home comfort solutions to customers across the country. Responsibilities: As a Comfort Advisor / In-Home HVAC Sales Representative , you will meet with homeowners to evaluate their current heating and cooling systems and present customized replacement solutions.
NewIn-Home HVAC Sales Total ComfortIn-Home HVAC SalesGlen Allen, VA$100,000–$200,000 / yearJoin Total Comfort / American Residential Services , the nation’s largest provider of residential HVAC, plumbing, and electrical services, with over 7,000 team members and more than 45 years of experience delivering trusted home comfort solutions to customers across the country. Responsibilities: As a Comfort Advisor / In-Home HVAC Sales Representative , you will meet with homeowners to evaluate their current heating and cooling systems and present customized replacement solutions.
Technical Sales Engineer - Custom HVAC Equipment - Richmond Michael Page USATechnical Sales Engineer - Custom HVAC Equipment - RichmondRichmond, VA$120,000–$150,000 / yearFull timeTraining & RepresentationRepresent the company at trade shows, industry events, and client meetings; occasionally train junior sales staff or clients on product features. Their company flow allows them to ensure proper quality control, faster than competitors turnaround times, and alignment with specific customer needs.
NewIn-Home Sales Advisor – HVAC Systems Total ComfortIn-Home Sales Advisor – HVAC SystemsRichmond, VAJoin Total Comfort / American Residential Services , the nation’s largest provider of residential HVAC, plumbing, and electrical services, with over 7,000 team members and more than 45 years of experience delivering trusted home comfort solutions to customers across the country. Responsibilities: As a Comfort Advisor / In-Home HVAC Sales Representative , you will meet with homeowners to evaluate their current heating and cooling systems and present customized replacement solutions.
NewHVAC Service Tech Total ComfortHVAC Service TechAshland, VA$60,000–$100,000 / hourTotal Comfort, is part of the ARS family of HVAC professionals, the nation’s largest provider of residential HVAC, plumbing, and electrical services with 7,000+ team members and over 45 years of experience. Responsibilities: Troubleshoot, service, and repair residential HVAC systems with the support of full training, professional tools, and a strong leadership network.
NewIn-Home HVAC Sales Consultant Total ComfortIn-Home HVAC Sales ConsultantMechanicsville, VA$100,000–$200,000 / yearJoin Total Comfort / American Residential Services , the nation’s largest provider of residential HVAC, plumbing, and electrical services, with over 7,000 team members and more than 45 years of experience delivering trusted home comfort solutions to customers across the country. Responsibilities: As a Comfort Advisor / In-Home HVAC Sales Representative , you will meet with homeowners to evaluate their current heating and cooling systems and present customized replacement solutions.
NewHVAC Technician - Ashland, VA Trane TechnologiesHVAC Technician - Ashland, VAAshland, VA$23.80–$43.85 / hourEPA Certification Additional Requirements and Environmental Exposure: Must be able to safely and legally operate a vehicle using a seat belt Must be able to wear helmets, safety goggles, fall protection harness and safety boots to safely perform job duties Must be able to twist the trunk of your body 90 degrees in each direction Must be able to squat and touch the floor with both hands Must be able to reach your hands over your head Must be able to stand on concrete surfaces for extended periods, routinely up to 4 hours This position is highly physical and requires regular use of hands, fingers, walking, stooping, kneeling and climbing ladders. or less Must be able to maneuver confined access areas, as small as 30” vertical x 45” horizontal Must be able to comfortably and routinely access rooftops with extension and/or fixed ladders at heights of 15’ to 20’, and occasionally, up to 50 feet This role may be exposed to variable weather conditions, moving mechanical parts, heights, risk of electrical shock, noisy operating equipment and other variable environmental conditions based on location Disclaimer: This base pay range is based on US national averages.
Experienced HVAC Installer (Team Leader Role) bring your helper with u Incredible HVAC LLCExperienced HVAC Installer (Team Leader Role) bring your helper with uColonial heights, VAIf you’re ready to join a company that invests in your success and provides the support you need to earn apply today! Top Pay – piece rate pay or(Base + commission + Bonuses) Additional $75 per day when job is done in allowable time.
HVAC Installers and experienced technicians wanted Incredible HVAC LLCHVAC Installers and experienced technicians wantedColonial heights, VADo you enjoy working independently with your customers with full support from your team with the proper programs and tools to do the job? If your have 3+ years of HVAC installation experience (will train the right person) this might be the best opportunity.
NewLead HVAC Installer American Residential Services LLCLead HVAC InstallerRichmond, VA$60,000–$100,000 / yearTotal Comfort, is part of the ARS family of HVAC professionals, the nation's largest provider of residential HVAC, plumbing, and electrical services with 7,000+ team members and over 45 years of experience. Disassemble and remove outdated HVAC systems, then install, start up, and troubleshoot new residential HVAC systems.
NewHVAC Installer Lead Yellowstone LocalHVAC Installer LeadChesterfield, VA$35–$38 / hourYou're the kind of HVAC installer who takes pride in getting the job done right the first time and enjoys leading a team that delivers quality work every day. Yellowstone Local is proud to represent Bradley Mechanical, anindustry leader in HVAC services.
Lead HVAC Installer Atlantic Constructors, Inc.Lead HVAC InstallerRichmond, VAFull timeInstalls commercial heating, ventilating, and air conditioning systems including power wiring from load side of disconnect, control wiring, minor gas and condensate piping, refrigerant piping if needed, refrigerant recovery, duct and insulation, evacuation, charging, and test procedures. 2 years of progressive HVAC operational experience in building systems, products and services (HVAC industry) or equivalent combination of vocational training and experience.
HVAC Commercial Installer - Mechanicsville, VA Southern Air IncHVAC Commercial Installer - Mechanicsville, VAMechanicsville, VAKey responsibilities include: Install HVAC systems and ductwork, including hydronic, steam, forced hot air, and heat pump systems Follow best practices for mechanical installation and jobsite safety Perform brazing and soldering as needed Install and support proper refrigerant piping systems Assist with basic controls and wiring Maintain a high level of workmanship and attention to detail Communicate professionally with team members and customers. You can expect: Work in indoor and outdoor jobsite conditions with varying temperatures Frequent standing, climbing, bending, and lifting Ability to lift up to 50 pounds Occasional travel or time spent in a vehicle depending on jobsite needs Exposure to construction materials, tools, and equipment Reasonable accommodations may be made to enable individuals with disabilities to perform essential job functions.
HVAC Install Helper Atlantic Constructors IncHVAC Install HelperRichmond, VAEssential Functions: Helps Lead Installer to install commercial heating, ventilating, and air conditioning systems including power wiring from load side of disconnect, control wiring, minor gas and condensate piping, refrigerant piping if needed, refrigerant recovery, duct and insulation, evacuation, charging, and test procedures. The work environment and physical demands required would be representative of those that must be met by an employee to successfully perform the essential functions of this job, and may include, but are not limited to the following: Work Environment: May work in varying temperatures; both inside and outside, including inclement weather, heat, humidity, cold and dampness.
Lead HVAC Installer Atlantic Constructors IncLead HVAC InstallerRichmond, VAEssential Functions: Installs commercial heating, ventilating, and air conditioning systems including power wiring from load side of disconnect, control wiring, minor gas and condensate piping, refrigerant piping if needed, refrigerant recovery, duct and insulation, evacuation, charging, and test procedures. The work environment and physical demands required would be representative of those that must be met by an employee to successfully perform the essential functions of this job, and may include, but are not limited to the following: Work Environment: May work in varying temperatures; both inside and outside, including inclement weather, heat, humidity, cold and dampness.
Experienced HVAC Technician / Installer – Residential Incredible HVAC LLCExperienced HVAC Technician / Installer – ResidentialColonial heights, VADiagnose, repair, and maintain HVAC systems (heat pumps, gas furnaces, mini-splits, air handlers, and more). At Incredible HVAC, we’re more than just heating and cooling — we’re a trusted partner in comfort for homes and businesses throughout the Tri-Cities area.
HVAC Apprentice / Helper - Bilingual Atlantic Constructors, Inc.HVAC Apprentice / Helper - BilingualRichmond, VAFull timeThe HVAC Apprentice performs field activities associated supporting the installation, maintaining and servicing heating, ventilating and air conditioning systems at the customer site. The work environment and physical demands required would be representative of those that must be met by an employee to successfully perform the essential functions of this job, and may include, but are not limited to the following: Work Environment:
HVAC Commercial Equipment Installer Unlimited Air MechanicalHVAC Commercial Equipment InstallerManakin-Sabot, VA$20–$35Unlimited Air Mechanical was established in 2011 and we have been serving the Manakin Sabot and surrounding area proudly bring them the Unlimited Comfort they deserve. As a Commercial Equipment Installer, you will have the opportunity to work on a variety of projects and gain valuable skills in equipment installation.
HVAC Duct Helper Unlimited Air MechanicalHVAC Duct HelperManakin-Sabot, VA$17–$23Unlimited Air Mechanical, established in 2011, is looking for a highly motivated HVAC Duct Helpers to assist in insulating, sealing, and installing ductwork in commercial spaces. Unlimited Air Mechanical was established in 2011 and we have been serving the Manakin Sabot and surrounding area proudly bring them the Unlimited Comfort they deserve.
HVAC Service Apprentice - Helper Atlantic Constructors IncHVAC Service Apprentice - HelperRichmond, VAThe work environment and physical demands required would be representative of those that must be met by an employee to successfully perform the essential functions of this job, and may include, but are not limited to the following: Work Environment: May work in varying temperatures; both inside and outside, including inclement weather, heat, humidity, cold and dampness. Summary/Objective: The HVAC Service Apprentice performs field activities associated supporting the installation, maintaining and servicing heating, ventilating and air conditioning systems at the customer site.
NewSenior HVAC Quality Program Manager Palmetto Clean TechnologySenior HVAC Quality Program ManagerRichmond, VAThe Quality Program Manager, Comfort is responsible for building and scaling the quality assurance framework that supports Palmetto's expansion across multiple residential energy technologies—including HVAC, geothermal, water heaters, and generators. This role operates within a matrixed management structure, reporting directly to the VP of Quality Programs with a dotted-line relationship to the VP of Comfort Program Management.
HVAC Chiller Service Technician Texas AirSystemsHVAC Chiller Service TechnicianRichmond, VirginiaPerform routine, and unscheduled, maintenance and repair of industrial mechanical systems including air cooled chillers, centrifugal chillers, pumps, cooling towers, air handler units, valves, fan coil units, variable air volume systems, etc. Ability to work in diverse conditions including but not limited to mechanical equipment rooms with exposure to noisy operating equipment, exposure to extreme weather conditions, risk of electrical shock (high voltage), climbing/working at elevated heights, etc.
HVAC Chiller Service Technician Texas Air Systems, Inc.HVAC Chiller Service TechnicianRichmond, VAOperating knowledge of Microsoft office software and working proficiency with hand held computer (i.e. Smartphone, iPad)\n Electrical knowledge required and EPA Certification Preferred (i.e. HVAC Journeyman, Boiler Operator, Gas Installer, etc.)\n Ability to work in diverse conditions including but not limited to mechanical equipment rooms with exposure to noisy operating equipment, exposure to extreme weather conditions, risk of electrical shock (high voltage), climbing/working at elevated heights, etc.\n Must be able to climb, crawl, stoop, kneel and must regularly lift and/or move up to 50 pounds, frequently lift and/or move up to 75 pounds.\n* Position requires a high level of correspondence with Project Managers, Service Coordinators and customers.\n \nResponsibilities\n\n Perform routine, and unscheduled, maintenance and repair of industrial mechanical systems including air cooled chillers, centrifugal chillers, pumps, cooling towers, air handler units, valves, fan coil units, variable air volume systems, etc.\n Diagnose and repair of machine and equipment defects including electronic, mechanical, and electrical components related to these systems.
Commercial HVAC Pennant Solutions GroupCommercial HVACRichmond, VirginiaWe are seeking an experienced HVAC Technician to perform service, maintenance, troubleshooting, repair, and retrofit work on a wide range of commercial and industrial HVAC systems. This role requires strong technical expertise, customer-facing professionalism, and the ability to independently diagnose and resolve equipment issues in the field.
NewHVAC Installation Tech Total ComfortHVAC Installation TechAshland VA, Virginia$60,000–$100,000 / yearFull timeTotal Comfort, is part of the ARS family of HVAC professionals, the nation’s largest provider of residential HVAC, plumbing, and electrical services with 7,000+ team members and over 45 years of experience. Responsibilities: Disassemble and remove outdated HVAC systems, then install, start up, and troubleshoot new residential HVAC systems.
Sr. Service HVAC Technician - Applied- Ashland, VA Trane Technologies PlcSr. Service HVAC Technician - Applied- Ashland, VAVA$27.69–$37.40 / hourMust possess a valid driver's license for a minimum of 12 months, with no major or frequent traffic violations including, but not limited to: DUI, Hit & Run, License Suspension, Reckless / Careless Driving or multiple smaller infractions or preventable collisions in the previous 3 years. Represents the company by serving as the direct customer contact and is responsible for servicing products and equipment on assigned projects, ensuring customer satisfaction by identifying, examining, diagnosing and repairing equipment and systems at customer's location.
Commercial HVAC Technician Texas Air Systems, Inc.Commercial HVAC TechnicianRichmond, VAAbility to work in diverse conditions including but not limited to mechanical equipment rooms with exposure to noisy operating equipment, exposure to extreme weather conditions, risk of electrical shock (high voltage), climbing/working at elevated heights, etc. With 500+ team members and seven offices statewide, we partner with over 60 leading manufacturers to deliver custom, high-performance solutions that stand the test of time.
Senior Commercial HVAC Technician Texas AirSystemsSenior Commercial HVAC TechnicianRichmond, VirginiaAbility to work in diverse conditions including but not limited to mechanical equipment rooms with exposure to noisy operating equipment, exposure to extreme weather conditions, risk of electrical shock (high voltage), climbing/working at elevated heights, etc. With 500+ team members and seven offices statewide, we partner with over 60 leading manufacturers to deliver custom, high-performance solutions that stand the test of time.
Commercial HVAC Technician Texas AirSystemsCommercial HVAC TechnicianRichmond, VirginiaAbility to work in diverse conditions including but not limited to mechanical equipment rooms with exposure to noisy operating equipment, exposure to extreme weather conditions, risk of electrical shock (high voltage), climbing/working at elevated heights, etc. With 500+ team members and seven offices statewide, we partner with over 60 leading manufacturers to deliver custom, high-performance solutions that stand the test of time.
Senior Commercial HVAC Service Technician Texas Air Systems, Inc.Senior Commercial HVAC Service TechnicianRichmond, VAHigh School Diploma or equivalent Must have valid driver's license with good driving record Must have current HVAC certification and OSHA 10 Training plus 5+ years' experience working as a Service Technician in a commercial environment Operating knowledge of Microsoft office software and working proficiency with hand held computer (i.e. Smartphone, iPad) Electrical knowledge required and EPA Certification Preferred (i.e. HVAC Journeyman, Boiler Operator, Gas Installer, etc.) Ability to work in diverse conditions including but not limited to mechanical equipment rooms with exposure to noisy operating equipment, exposure to extreme weather conditions, risk of electrical shock (high voltage), climbing/working at elevated heights, etc. Language Skills • Ability to read and comprehend simple instructions, short correspondence, and memos • Ability to write correspondence • Ability to effectively present information in one-on-one and small group situations to customers, clients, and other employees of the organization.
HVAC Service Apprentice Unlimited Air MechanicalHVAC Service ApprenticeManakin-Sabot, VA$17–$25Unlimited Air Mechanical was established in 2011 and we have been serving the Manakin Sabot and surrounding area proudly bring them the Unlimited Comfort they deserve. Unlimited Air Mechanical, established in 2011, is seeking a motivated HVAC Service Helpers to join our team in Manakin Sabot.
NewHVAC Installation Tech American Residential Services LLCHVAC Installation TechAshland, VA$60,000–$100,000 / yearTotal Comfort, is part of the ARS family of HVAC professionals, the nation's largest provider of residential HVAC, plumbing, and electrical services with 7,000+ team members and over 45 years of experience. Disassemble and remove outdated HVAC systems, then install, start up, and troubleshoot new residential HVAC systems.
Sr. Service HVAC Technician - Applied- Ashland, VA CFO Trane U.S. -CFOSr. Service HVAC Technician - Applied- Ashland, VAAshland, VirginiaMust possess a valid driver’s license for a minimum of 12 months, with no major or frequent traffic violations including, but not limited to: DUI, Hit & Run, License Suspension, Reckless / Careless Driving or multiple smaller infractions or preventable collisions in the previous 3 years. Represents the company by serving as the direct customer contact and is responsible for servicing products and equipment on assigned projects, ensuring customer satisfaction by identifying, examining, diagnosing and repairing equipment and systems at customer’s location.
Residential HVAC Installation Technician Bradley MechanicalResidential HVAC Installation TechnicianRichmond, VA$30–$42 / hourFull timeWe're looking for a Residential HVAC Installation Technician who can confidently install systems in occupied homes while delivering a professional, high-quality customer experience. If you're an experienced installer who wants to be part of a company that values craftsmanship, supports your growth, and pays for quality work, this is the opportunity you've been looking for.
HVAC Mechanic Cornerstone RecruitingHVAC MechanicRichmond, VAHVAC Mechanic must be competent to perform preventive and corrective maintenance on boilers, chillers, hot water heating systems, domestic water plumbing systems, air handlers, VAV components, and other various HVAC equipment and building systems. Candidates must also have general maintenance knowledge on how to operate and repair complex mechanical, electrical, and plumbing systems.
HVAC Technician Synerfac Technical StaffingHVAC TechnicianState Farm, VAInstalls, repair, and maintain machinery and mechanical equipment such as motors, engines, pumps, belts, and fans. In this role, you will be responsible for both preventive and corrective HVAC maintenance work and minimal installations.
Estimator - HVAC / Special Projects Atlantic Constructors, Inc.Estimator - HVAC / Special ProjectsRichmond, VAFull timeAdvanced knowledge of assigned discipline, estimating techniques and cost control, plus ability to interpret computerized cost data and systems. The work environment and physical demands required would be representative of those that must be met by an employee to successfully perform the essential functions of this job, and may include, but are not limited to the following: Work Environment:
HVAC Start-Up / Commissioning Technician Atlantic Constructors, Inc.HVAC Start-Up / Commissioning TechnicianRichmond, VAFull timeThe HVAC Start Up / Commissioning Technician will support field trade teams and/or third party contractors and oversee and direct maintenance and/or personnel and processes critical to the safe and efficient completion of tasks. In-depth knowledge of two or more of the following disciplines: plumbing systems, electrical systems, HVAC Cooling and ducted air systems, general construction practices, generator systems, and controls systems.
HVAC Service Technician Atlantic Constructors, Inc.HVAC Service TechnicianRichmond, VAFull timeThe HVAC Service Technician will exhibit proficiency in servicing, troubleshooting, repairing and cleaning of heating and cooling equipment and related systems (i.e., boiler, forced air, hydronic, split systems, package units, make up air and exhaust systems, controls) on all types of HVAC Systems. Must be available, and have the means to report to multiple job sites as assigned, The work environment and physical demands required would be representative of those that must be met by an employee to successfully perform the essential functions of this job, and may include, but are not limited to the following: Work Environment:
Commercial HVAC Installation Technician Bradley MechanicalCommercial HVAC Installation TechnicianRichmond, VA$30–$42 / hourFull timeThis role is ideal for someone who is confident reading plans, working alongside other trades, and delivering high-quality installations that hold up long after the job is complete. If you're an experienced commercial installer who wants to work with a company that values quality, supports your growth, and takes pride in doing things the right way, this is where you want to be.
HVAC Tech Colonial Plumbing, Heating & AirHVAC TechColonial Heights, VA$32–$45 / hourFull timeWhether it's maintaining furnaces and air conditioners, repiping an entire house, or installing a new water heater, we focus on finding the right solution for each customer's unique situation. Colonial Plumbing Heating Air is a full-service company that takes care of all plumbing, heating, and cooling needs for both homes and businesses.
Lead HVAC Technician Synerfac Technical StaffingLead HVAC TechnicianState Farm, VAInstalls, repair, and maintain machinery and mechanical equipment such as motors, engines, pumps, belts, and fans. Industry leading facility maintenance company is seeking a Lead HVAC Technician to join their team!
Commercial HVAC/R Preventative Maintenance Technician Moore's Electrical & MechanicalCommercial HVAC/R Preventative Maintenance TechnicianAshland, VA$18–$25 / hourFull timeThe Preventative Maintenance Technician is responsible for performing routine maintenance tasks on commercial HVAC/R systems to ensure the optimal functioning and longevity of our customers HVAC/R equipment. Conducts scheduled preventative maintenance on commercial HVAC/R systems, including but not limited to air conditioning units, heating systems, ventilation equipment, and refrigeration systems.
VRF Technician - HVAC Atlantic Constructors, Inc.VRF Technician - HVACRichmond, VAFull timeWe are looking for a skilled and motivated VRF Technician for the installation, service, and preventive maintenance of Variable Refrigerant Flow (VRF) systems across a variety of commercial projects. This role is ideal for a hands-on Technician who is highly experienced with multiple VRF system brands and capable of working on various types of HVAC VRF systems.
HVAC Controls Technician Atlantic Constructors, Inc.HVAC Controls TechnicianRichmond, VAFull timeThe Controls Technician for Building Management Systems (BMS) and Heating, Ventilation & Air Conditioning (HVAC) systems will be responsible for completing service calls in addition to working on larger projects under the direction of a project manager or controls engineer. Controls Technician, Instrumentation Technician, Electronics Technician or similar diploma obtained from an accredited educational institution or meet the equivalent requirements as established by Saskatchewan Applied Science Technologists and Technicians (SASTT).
HVAC/R Technical Services Advisor /Training Instructor Johnstone Supply - J Team GroupHVAC/R Technical Services Advisor /Training InstructorRichmond, VAFull timeCombination of classroom, training lab, branch locations, and field visits. Partner with manufacturers to stay current on new equipment and technologies (overnight travel may be required).
HVAC Service Technician III Daikin Applied Americas Inc.HVAC Service Technician IIIRichmond, VA$31.60–$50.37 / hourRepair and replacement of defective equipment, components, or wiring related to fan coils, chillers, water source heat pumps, applied air handling units, rooftop units, cooling towers, and condenser tubes. Your Responsibilities: Perform maintenance of commercial HVAC equipment including logging machines, cleaning coils, brushing tubes, replacing filters, replacing belts and proper lubrication.