Air Conditioning Companies in Longmont, CO

Comprehensive list of commercial and residential air conditioning companies in Longmont, CO offering installation, repair and maintenance services.

Business Listings

Welzig Mechanical., your heating and air conditioning specialists, is a locally owned & operated firm since 1994. We know how to save you money on your heating and air conditioning requirements. We are pleased to sell and service the LENNOX line of best quality and reliable furnaces and air conditioners.


Heating and air conditioning repair, commercail refrigeration. Experiance the Differance. Offering more for the money. The repair of your furnace, heater, air conditioner, refrigeration unit is of up-most importance. At times Cost or Age of heating and air conditioning equipment may determine replacement a better choice. We can then help determine the best choice. Privileged to Working in communities

  • Fantastic job and well priced.

Dorden Air. specializes in domestic air conditioner, heat pump, gas furnace, humidifier, air cleaner, and thermostat sales and installation in Colorado Boulder, Broomfield, Weld, Adams, Larimer, and Jefferson Counties. We sell replacement parts for Aprilaire units to anyone in the US. We step in where your building contractor left off.



With more than eighty five years of combined knowledge in the Residential and Commercial Heating and Air Conditioning business, IMS Heating & Air is committed to supply the highest possible solutions for your home comfort requirements. IMS Heating & Air. is dedicated to being the heating and air conditioning contractor of choice through product and service excellence.


We are a licensed plumbing, heating and air conditioning service company that provides excellent repair and installation service to our customers. We've worked long and hard to develop our reputation as a high quality, professional service company. We are committed to professionalism and excellence in the delivery of our services.


Need a new Heating or A/C System? Our new Mobile Home Comfort Showroom will change the way you buy. Precision Plumbing, Heating and Electric has been serving Boulder County & Larimer County for over 27 years! Our team of dedicated client service representatives, technicians and management support is here to supply you with superb client service.


We're available 24 hours a day, seven days a week delivering best quality services across the Denver/Boulder Metro area. Applewood Plumbing Heating & Electric is Colorado's only family owned & operated, plumbing, drain cleaning, heating, cooling & electrical firm specializing in repair services exclusively for the homeowner!


Chambers Plumbing and Heating has been serving the Loveland Colorado community since 1921. We have been an active part of the successful growth of our pretty city with quality workmanship and leading brands of plumbing & heating products. Chambers is committed to delivering our clients with individual service with a huge range of high technology and methods of diagnosing plumbing & heating problems.