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(209) 496-8679


Welcome to our site!
For your HVAC repair and installation needs in the Central Valley, consider Erik Diaz Heating & Air. Since our inception, we have been serving our clients with professionalism, generosity, and expertise.
Professional Repair Services for Air Conditioning and Heating Systems in the Central Valley
Our quality and expert air conditioning and heating repair services in the Central Valley and other surrounding locations have earned us the good reputation we enjoy with our clients. We ensure to provide you with excellent services including air conditioner repair, heat pump repair, wall heater/wall furnace repair, floor heater/floor furnace repair, gravity heater/gravity furnace repair, and installation services.
Our many long-standing satisfied clients in the Central Valley bear testimony to the quality of heating and air conditioning services we provide.
More Reasons to choose Erik Diaz Heating & Air
Many companies offer air conditioning and heating installation and repair in the Central Valley, and surrounding areas. Why choose Erik Diaz Heating & Air?
Well-Trained Technicians and Quality Workmanship
Our company is composed of well-trained employees that offer professional and quality workmanship. Whether you are looking for a central air conditioning system, heat pumps, wall heater, floor furnace, or gravity heater repair, we can provide you with your needs. We only recommend repairs that are necessary and urgent so that you can have the option to fit expenses within your budget.
Prompt Installation and Repair Services at Affordable Prices
Erik Diaz Heating & Air offers you professional, quality and prompt repair and installation services that you can afford. Our commitment to providing quality service at fair prices has made us one of the trusted and most preferred residential and commercial air conditioning and heating contractors and companies in the Central Valley.
Our company provides unparalleled heating and air conditioning repair and installation services throughout the Central Valley using a variety of products. We have access to all the major brands of air conditioning and heating manufacturers.
Request your FREE quotes and estimates today and let us help you work with your budget. We also put a high value on dependable and efficient equipment to ensure that we deliver great service.
Call us today for all your air conditioning, heating, heat pumps, wall heater, floor furnace, gravity heater repair and other HVAC needs. We can match or beat any air conditioning and heating estimate from other companies.
Discover why Erik Diaz Heating & Air has been happily serving his clients for many years.


Keep your cool with our HVAC service, which includes installation, replacement, and repairs. Don’t sweat the details; we can repair any make or model.

Contact Us

Tired of sweating in the summer and freezing in the winter? Call Us! Our professional technicians make sure all our clients are comfortable.

Call Us Today At ♦ (209) 496-8679

YP Reviews

  • Air Conditioning and Heating
  • Central Air Systems
  • Mobile Home Furnaces
  • HVAC Units
  • Heating and Cooling Parts
  • Heat Pumps and Air Handlers
  • Package Units
  • Roof Top A/C Condensers
  • Evaporator Coils
  • Split Systems
  • Ductwork
  • Floor Furnaces/Floor Heaters
  • Gravity Furnaces/Gravity Heaters
  • Suspended Heaters
  • Bathroom Heaters
  • Heating Systems
  • Heating Package Units
  • Wall Heaters/Wall Furnaces
  • Built In Heater for Walls and Floors
Proudly serving the following areas in Stanislaus, Tri-Valley, Merced, San Joaquin Counties as well as the entire Central Valley.


Erik Diaz Heating & Air
1121 Avalon Ave
Modesto, CA 95351
Phone: (209) 496-8679

Business Hours

Mon - Sun: 08:00 AM - 07:00 PM
Appointments Available
Open 7 Days a Week
24-Hour Emergency Service

Payment Options

Financing Available