Homeowners Frequently Asked Questions: make informed decisions when purchasing, or servicing air-conditioners or other equipment containing regulated refrigerants.
Purchasing and Repairing Home Air-Conditioners or Heat Pumps: learn more about the phasing out of HCFC-22 (also known as R-22), a refrigerant commonly used in residential heat pump and air-conditioning systems.
Contact Ozone Layer Protection for more guidance on refrigerants and the ozone.
Also see the Department of Energy's Heating & Cooling guidance for homeowners on regular air conditioner maintenance and what to look for when hiring a professional service technical to repair residential air conditioning units.
If you have questions, you may contact Energy Saver at the Department of Energy:
- by phone at 202-586-5000
- by sending an email to the Secretary of Energy at The.Secretary@hq.doe.gov
- by using the Contact Us online form