Ajax Heating & Air Conditioning Blog

Heat Exchangers
4 14 min

Heat Exchangers

Learn what a cracked or failed furnace heat exchanger means, why furnaces are condemned, warranty considerations, and repair or replacement options.

26/10/2026
Fall Furnace Tune-Ups in Modesto and Stockton: What a Thorough Heating Inspection Should Include
10 10 min

Fall Furnace Tune-Ups in Modesto and Stockton: What a Thorough Heating Inspection Should Include

Learn what a thorough fall furnace tune-up should include, from combustion analysis and CO testing to electrical checks and honest repair advice in Modesto and Stockton.

19/10/2026
Fall Allergies and Indoor Air Quality: A Whole-Home HVAC Approach
9 7 min

Fall Allergies and Indoor Air Quality: A Whole-Home HVAC Approach

Learn how duct sealing, proper HVAC filtration, germicidal UV lights, circulation, moisture control, and source reduction can improve indoor air quality during fall allergy season.

19/09/2026
Whole-House Fans in Modesto and Stockton: Cool Your Home With Evening Air
16 7 min

Whole-House Fans in Modesto and Stockton: Cool Your Home With Evening Air

Learn how whole-house fans and modern QuietCool systems use cool evening air to ventilate homes, reduce AC use, and improve comfort in Modesto and Stockton.

19/09/2026
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