HVAC repair

DEKA Service is an HVAC/R service company primarily focused on commercial and industrial mechanical systems, based in Fenton, Missouri. It supplies heating, cooling, ventilation, filtration, kitchen and piping products and support for customers' existing equipment, and offers 24-hour emergency service.

24 hour emergency serviceair & water balancingcustom duct designs & modificationsHVAC installationHVAC maintenanceleak testing of piping systems

Delta T Heating & Cooling is a family-owned HVAC company headquartered in Basehor, Kansas, founded in 2014 by licensed professional engineer Adam Golubski. It provides heating, air conditioning, heat pump, mini-split, geothermal, indoor air quality, and water heater services across the Greater Kansas City metro, with flat-rate pricing and no commission-driven upsells. The company is a Dave Lennox Premier Dealer and serves 40+ cities in Kansas and Missouri.

HVAC installationHVAC maintenance and tune-upindoor air quality solutionsLoad calculationsP.E.-signed install plansplumbing repairwater heater installation

Dennis' Heating & Air Conditioning is a family-owned and operated HVAC contractor in Redding, CA, serving the North State since 1981. It provides residential and commercial HVAC installation, repairs, maintenance, seasonal service, duct and dryer vent cleaning, and custom sheet metal fabrication.

custom fabricationdryer vent cleaningduct cleaningHVAC installationHVAC maintenancesheet metal fabricationwelding

Densel Company is a commercial HVAC contractor serving the Washington, DC metropolitan area since 1970, founded by Harry Densel and Bobby Gilman. It provides HVAC installation, maintenance, and repair for commercial properties, universities, hospitals, religious institutions, and high-rise buildings, and is a union contractor of Steamfitters Local 602 and Sheetmetal Local 100.

24/7 emergency servicecontrol system servicesductwork fabricationenergy-efficient HVAC designHVAC installationHVAC maintenancemechanical equipment assessmentssheet metal fabrication

Derryberry's Heat & Air is a family-owned heating and cooling company serving Gallatin, Hendersonville, and surrounding Middle Tennessee areas. Started as a one-man operation in 1986, it has grown into a trusted HVAC contractor offering emergency repairs and complete system installations, with NATE-certified technicians and TVA Quality Contractor certification.

commercial HVACductless AC installationgenerator installationHVAC installationindoor air quality systemsmaintenance and tune-ups

Desert Diamond Air is a locally owned HVAC and plumbing company serving Phoenix, Arizona and the surrounding West Valley communities. The company installs, replaces, repairs, and maintains air conditioning, heating, and plumbing systems, and offers home performance services such as energy audits, attic insulation, and Aeroseal duct sealing. Its technicians are certified by the Building Performance Institute (BPI).

AeroSeal duct sealingattic insulationdrain cleaningduct cleaningduct foggingenergy auditsHVAC installationHVAC maintenanceplumbing servicessewer line inspectionswater treatment installation

Dezier Air is a licensed New York City HVAC contractor providing residential and commercial HVAC repair, maintenance, installation, and design/consulting across all five boroughs. The company serves apartments, townhomes, high-rise and multi-unit buildings, offices, retail, restaurants, and mixed-use properties, with documented service and clean execution.

boiler and furnace repairemergency HVAC serviceequipment selectionheat pump serviceHVAC design and consultingHVAC installationHVAC maintenanceLoad calculationsmini-split and VRF servicesystem diagnostics

Locally owned HVAC company serving San Antonio, La Vernia, New Braunfels, and surrounding areas. Licensed and insured for AC repair, heating, installation, commercial refrigeration, and metal fabrication. Available 24/7 for emergency service.

band saw cuttingductwork design and installationHVAC installationHVAC maintenanceon-site fabricationplasma cuttingrefrigeration servicesheet metal fabricationVRF installation and commissioning

Diamond HVAC Services Inc. is a Latino-owned HVAC contractor based on Petaluma Boulevard North in Petaluma, California. The company serves homeowners and businesses across the North Bay, including Sonoma County, Marin County, Napa County, and San Francisco, with service available in English and Spanish. It provides HVAC repair, installation, and maintenance, plus heating, furnace, air conditioning, heat pump, and ductless mini-split services.

AC installationductless mini-split installationemergency HVAC repairfurnace repairheat pump installationHVAC installationHVAC maintenancethermostat repair

Diamond State Heat and Air is a Central Arkansas HVAC provider with more than 30 years of experience in the heat and air industry. The company offers residential, commercial, and industrial HVAC services, including new HVAC system installations, repairs, and maintenance, and aims to lower electricity bills and extend equipment life.

commercial HVACHVAC installationHVAC maintenanceindustrial HVACresidential HVAC

Dickerson Mechanical, Inc. is a family owned and operated business since 1993, based in Colfax, Iowa. It provides HVAC, plumbing, and electrical services throughout Central Iowa, having transitioned from a primarily new custom home contractor to serving commercial projects. The company offers installation, maintenance, repair, and replacement services for commercial and residential properties.

custom HVAC designelectrical panel upgradeselectrical servicesHVAC installationHVAC maintenancelighting upgradesplumbing installationplumbing repair

Dixie Heating & Air provides HVAC and plumbing services, including emergency AC repairs, scheduled maintenance, and installation and repair of heating systems such as furnaces and heat pumps for residential and commercial needs. They also offer residential plumbing service, installation, and repairs. Technicians are certified and undergo regular training, and the company offers a 90-day guarantee on repair work and a 1-year warranty on new installations.

emergency AC repairheating system installationheating system repairHVAC installationHVAC maintenanceplumbing installationplumbing repairplumbing service

DNS Heating & Cooling LLC provides heating, cooling, and indoor air quality solutions for residential and commercial clients in St. Paul, MN and surrounding suburbs. Services include furnace, boiler, and geothermal heating repair, air conditioning and heat pump service, ductless split systems, and IAQ solutions such as humidification, dehumidification, HEPA filtration, and bipolar ionization. The company employs 15 full-time employees, and all field employees are members of Sheet Metal Workers Local 10 Union.

commercial HVAC serviceHVAC installationHVAC maintenanceindoor air quality evaluation

Don Kruse Electric is a full-service heating, cooling, and electrical company serving residents of Okanogan County, Washington and surrounding areas. The company installs, repairs, and maintains heat pumps, furnaces, and air conditioners, and provides general electrical services including new construction, installation, repair, electrical checkups, and replacement of old wiring. It serves residential and commercial customers with 24-hour emergency services.

24-hour emergency serviceselectrical checkupelectrical servicesHVAC installationHVAC maintenancenew constructionresidential and commercial serviceswiring replacement

Dormatech Mechanical Systems, Inc. is a professional full service, repair, and maintenance company specializing in commercial and industrial HVAC. They service all major brands and offer 24/7 emergency service throughout Northern California.

eddy current testingHVAC maintenanceoil analysispredictive and preventative maintenancerefrigerant analysistear downs and open inspectionsvibration analysis

Doty Mechanical, also branded as Doty Service Network, is a locally owned and operated HVAC and plumbing company serving the Greater Lansing, Michigan area for over 40 years. They provide heating, cooling, indoor air quality, geothermal, boiler, plumbing, and generator services, and are a Carrier Factory Authorized Dealer with NATE certified technicians.

generator installationgeothermal installationHVAC installationindoor air quality solutionsplumbingpreventative maintenance

Double H Heating & Air Conditioning, Inc. is a family-run, veteran-owned HVAC company with over 35 years of experience serving residential and commercial clients in Jacksonville, Florida. They provide heating and cooling installation, repair, and maintenance, installing and replacing all major brands including Carrier, Trane, Goodman, and Lennox.

HVAC cleaning and optimizationHVAC installationHVAC maintenance

Drees Co. is located in Carroll, Iowa, and provides appliance, HVAC, plumbing, electrical, mechanical, refrigeration, security systems, building automation systems, and EcoWater systems services throughout West-Central Iowa. Its installation and service teams travel approximately within 180 miles of Carroll. The company uses a Lockformer Vulcan Plus plasma cutting system to increase accuracy and reduce waste.

building automation systemselectrical servicesinstallationplasma cuttingplumbingrefrigerationsecurity systemsservice and maintenance

D & S Green Services is a full-service, licensed and insured HVAC contracting company in Lineboro, MD, serving residential and commercial properties. It specializes in geothermal comfort systems, heating and air conditioning installation and repair, duct cleaning, indoor air quality assessment, and refrigeration services, with a focus on energy efficiency and lowering costs.

duct cleaninggeothermal heatingHVAC installationindoor air quality assessmentradiant floor heatingrefrigeration installation and repair

DS Marine Service is a ship repair and maintenance company founded in 2017, providing repair solutions tailored to each vessel's structure and operational needs. It focuses on long-term safety, operational reliability, and hands-on service, and is an ABR certified company for naval ships.

compressor repaircrankshaft & bearing inspectionfuel system repairgenerator engine overhaulheat exchanger repairhull repairintercooler cleaning & repairmain engine overhaulpiping repairpiston & liner replacementpump repairpurifier repairrefrigeration system repair

Duct Professor Heating & Cooling is a locally owned and operated HVAC company based in Prospect Heights, IL, serving the Greater Chicago area. It provides heating, cooling, indoor air quality, duct work, and water heater services, including repair, installation, and maintenance, with 24/7 emergency support and certified technicians.

24/7 emergency servicedryer vent cleaningduct cleaningduct installationHVAC installationHVAC maintenanceindoor air quality services

Earnest Heat & Air is an independent Trane Comfort Specialist dealer serving homeowners and businesses in Bartlesville and Northeastern Oklahoma. For more than 40 years, the company has installed, repaired, and maintained air conditioning and heating systems, offering sales, service, maintenance programs, air quality solutions, and geothermal systems.

air quality evaluation and filtrationduct system repair or replacementgeothermal system installation and serviceHVAC installationHVAC maintenance

Family-owned HVAC company based in Monmouth County, New Jersey, with over 30 years of experience providing heating and cooling services to residential and commercial customers throughout Central New Jersey, including Monmouth, Ocean, and Middlesex counties. Services include system installation, repairs, and routine maintenance for furnaces, boilers, air conditioning, and complete HVAC systems.

HVAC installationHVAC maintenanceLoad calculationssmart technology integrationsystem replacement

Eastside Heating & Air Conditioning, Inc. is a family-owned and operated HVAC contractor founded in 1976, serving the Denver Metro area from Fort Collins to Castle Rock, CO. The company focuses on residential and light commercial heating and cooling service, installation, and design, with a 20,000 sq.ft. warehouse and technicians who are EPA licensed and NATE-certified.

duct repairduct sealinggeothermal HVACHVAC installationHVAC maintenanceoil to gas conversionsheet metal fabricationVRF systemsZoning