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Claim This BusinessKarns Mechanical Services is a family-owned HVAC contractor serving the Karns community and surrounding Knoxville area, with a 4.7-star rating across 140 reviews. The company serves both residential and commercial customers, offering the full range of heating and cooling installation, repair, and maintenance alongside American Standard equipment sales.
Customers describe Karns Mechanical as good, honest people who do excellent work — a family-run business with Christian values and dependable follow-through. Reviews highlight prompt, professional installation work completed in under four hours for new split systems, with immaculate clean-up and competitive pricing that beat other local estimates. The family has been using the company for years, citing consistent reliability and genuine care as the reasons for their loyalty.
Karns Mechanical services commercial HVAC as well as residential, including packaged units, custom controls, and mechanical piping — capabilities that go beyond what most small residential contractors offer. That commercial breadth, combined with a family business ethos, makes Karns a strong choice for small businesses and property managers alongside homeowners.
For the Karns community and surrounding West Knox County neighborhoods, Karns Mechanical Services offers the local knowledge, reliable scheduling, and honest execution that has kept families coming back year after year.
100% of sampled five-star reviews cite the family-owned nature and genuine care, with three specifically naming Mike or Jenkins family members. Emergency availability features prominently, with one reviewer highlighting Saturday-night callback and Sunday service for an urgent situation with an infant.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Air conditioner diagnostic, repair, and new system installation for residential cooling.
Furnace repair, installation, and heating system maintenance to ensure winter warmth.
Repair and installation of air handling units that distribute conditioned air throughout homes.
Home ventilation repair and indoor air quality improvements for cleaner breathing air.
Zone-based heating and cooling using mini-split units for targeted temperature control.
Full-scale commercial heating, cooling, and packaged unit services for businesses.
Regular maintenance tune-ups to extend HVAC system lifespan and efficiency.