About One Hour Air:
Locally owned and operated by Dave Murray and Chris Lenhard (with over 60 years of combined experience), Calvert Heating & Cooling is part of the One Hour Heating & Cooling Franchise System. With over 500 franchise territories in North America, One Hour Air is the largest provider of residential HVAC services in the United States. Our size brings exclusive product offerings, exceptional buying power, and the best warranties in our industry, including:
- Always on time or you don’t pay a dime!
- $500 No-frustration Guarantee;
- 10-Year No Lemon
- Property Protection
The Best Time of year to Buy Heating and A/C
Replace your furnace in as little as 4 hours and get the Best Pricing of the Whole Year. Really that’s all it takes! Homeowners naturally think that a cold day in the winter is the worst time to replace their furnace. However, because of this misunderstanding, it works out to be the best time!