Best HVAC Contractors in Washington, DC
Find trusted, licensed hvac contractors in the Washington metro area. Compare ratings, reviews, and services.
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Hiring HVAC Contractors in Washington, District of Columbia
Average Costs in Washington
HVAC service calls typically range from $75–$200 for diagnostics. AC repair averages $150–$650, while a full AC unit replacement runs $3,500–$7,500. Furnace repair costs $100–$500 on average. Preventive maintenance plans typically cost $150–$300/year.
District of Columbia Licensing Requirements
HVAC contractors must hold a state-issued mechanical contractor license in most states. They should also be EPA Section 608 certified for handling refrigerants. Some states require separate licenses for residential and commercial work.
Questions to Ask Before Hiring
- Are you licensed and EPA certified?
- Do you offer emergency/after-hours service?
- What brands do you install and service?
- Do you offer maintenance plans?
- What is the warranty on parts and labor?
Tips for Finding the Right Contractor
Schedule annual maintenance before peak season (spring for AC, fall for heating). A well-maintained system lasts 15–20 years. When getting quotes for replacement, make sure the contractor does a proper load calculation — don't just match the old unit size.
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