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Please contact the business for updated hours/services due to the COVID-19 advisory.

Regular HoursMonday-Sunday By Appointment
Payment method
all major credit cards
Cental Napa
Air Conditioning Service & Repair, Air Conditioning Contractors & Systems, Furnaces-Heating, Heating Contractors & Specialties
Other Information

Specialties: Furnaces, Boilers


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Dotty H.



I've used Denny for many years for my own homes and clients' and he's always great. Reliable, honest, knows the best solutions to difficult problems and is reasonable with his prices. I won't use anyone else.



Great Service, on time, reliable.

Great service. Showed up on time, did a great job. I have referred Denny's Heat and Air to three other friends who hired this company and were very satisfied with the good work and fair price. Their work vehicles are show room clean and so is their workmanship. I highly recommend this service!