“Excellent service. The technician came quickly and rescued my mother-in-law from her woes. He provided a quick and inexpensive solution to get her power running again. He also provided a lot of inform…”
“Jason, the technician was friendly, knowledgeable, and thorough. My AC unit stopped working and I thought I’d have to wait for days but, surprisingly Knisley was able to schedule an appointment the ne…”
“EDIT: YEAR 2 USING THEM. SAME PRICE AS LAST YEAR. THESE GUYS ARE AMAZING! Super professional and careful. Very thorough! The price is unbeatable! I used this place for my business and they are so am…”
“Yesterday evening, I had to call your emergency service because my air conditioning was not working and the company that we bought our unit from blew us off and just didn't show up to fix it. Having a…”
Knisely & Sons Inc provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Altoona, PA.
Knisely & Sons Inc has a 4.6 out of 5 star rating based on 23 Google reviews.
All listed providers have a verified Pennsylvania contractor license at time of publication. You can verify on the Pennsylvania Office of Attorney General — Home Improvement Contractor Registry (local mechanical licensing varies by jurisdiction) lookup at https://hic.attorneygeneral.gov/.
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Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Pennsylvania Office of Attorney General — Home Improvement Contractor Registry (local mechanical licensing varies by jurisdiction) · Company data: verified business records + Google Business profile
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