"We Service the Entire Bay Area"
Sales • Installations • Repairs

Residential & Commercial

"Total Home Comfort"
Calif. State Lic. # 495651 C-20, C-43


Nowak Heating & Air Conditioning - HVAC Service, Sales, and Repairs. Hayward,CA STOP! This IS what you are looking for!

Call now! to have 37 years of experience in the HVAC industry brought to your front door.

Now is the time to receive a special bonus offer of a new high tech, innovative "NEST" thermostat control with any new complete system installation! a $250.00 value....for FREE!

This easy to use thermostat is not only good looking, (matches you current decor) it is high tech!

It can be programmed from your I-phone or ANDROID phone!

Do not wait! This offer will only last until December 31st 2015.



Coupon, FREE Energy Saving Digital Control Thermostat with any New Installation, Heating and Air Conditioning in Hayward, CA

  Print Coupon  

The first 50 callers will also receive a high efficient air filter for their new system with "No extra charge"!

DON'T Miss out! Call Now!


Nowak Heating & Air Conditioning


Paul E. Nowak - Owner


Are you looking for a mechanical contractor to perform commercial or residential HVAC work? Is it time to upgrade from your old window air conditioning unit to a central heat and air system? Nowak Heating & Air Conditioning, Inc. is ready to take on the task! For 33 years now, we have been providing Total Home Comfort heating and air conditioning services in the San Francisco Bay Area! From complete installations to scheduled planned maintenance. We offer sales and service on all brands of heating and air conditioning systems.

State-of-the-Art Products

Nowak Heating & Air Conditioning, Inc. is an authorized dealer of CARRIER™, Day & Night, TRANE™,YORK. COLEMAN and LENNOX. We are certified to perform repairs and maintenance on all the systems we sell. And, we carry all the parts and supplies you need for heating and air conditioning services. From Air Filters to Zone Controls, Nowak  has it all!

Nowak Heating & Air Conditioning provides sales, installations, repairs, maintenance, parts, and service on the following:

  • Consultations
  • Inspection Reports
  • Wall Heaters
  • Infarred Heat
  • Air conditioners
  • Air handlers
  • 3-M Fire Wrap
  • Indoor coil systems
  • Exposed Spiral Duct Systems
  • Commercial Kitchen Exhaust Systems
  • Class I Grease Ducts
  • Stainless Steel Wall Covering
  • Commercial Kitchen Installations
  • Refrigerant Recovery
  • Floor Furnaces
  • Ductwork
  • Ventilation
  • Thermostats
  • Packaged units
  • Air cleaners & filters
  • Space heaters
  • Central Heat
  • Heat Pumps
  • Zone Controls
  • Inspections / Reports
  • Ductless Mini Splits
  • High Efficient Furnaces
  • Design

Check out our 5 year labor warranty on installations!

For a FREE Estimate on a new Installation:

Service Excellence

Our technicians are highly trained. We keep up on all the latest advances in technology, so that your HVAC needs are met quickly and efficiently. Whether your problem involves a simple repair, timely maintenance, or a complete upgrade of your heating and air conditioning system, our skilled mechanical experts can handle the job. 


Check out what others say:


Mention this website and receive one year free Planned Maintenance on any new System!

We are a GREEN company, and help protect our beautiful San Francisco Bay Area

Castro Valley Chamber of Commerce


Read Unbiased Consumer Reviews Online at AngiesList.com


Check out my interview, Installing Your HVAC System, on BayAreaForSale.com

Thermostat used in our heating and air-conditioning systems