+
By CR Score, the highest-ranked HVAC contractor in West Norriton, PA is Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical with a CR Score of 66/100. It has 4.7★ from 10,656 Google reviews. It is open 24/7. Sila Heating, Air Conditioning, Plumbing & Electrical (#2) and Lowry Services (#3) follow. We ranked 1,055 HVAC contractors on ten factors, last updated October 22, 2026.
+
ContractorsRanked ranks 1,055 HVAC contractors serving West Norriton, PA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
+
410 ranked HVAC contractors in West Norriton post 24/7 hours. The highest-ranked are Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#1), Lowry Services (#3) and IT Landes Home Service Team (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
+
662 of 1,055 ranked HVAC contractors post Saturday hours and 520 post Sunday hours. The highest-ranked open Saturdays are Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#1), Sila Heating, Air Conditioning, Plumbing & Electrical (#2) and Lowry Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
+
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for West Norriton. Prices were last checked October 2026. Get at least two written quotes before you hire.
+
The median Google rating among 1,055 rated HVAC contractors in West Norriton is 4.9★, with a median of 24 reviews. Harris Plumbing, Heating, Air & Electrical has the most, 11,049 reviews, and ranks #18. We adjust ratings for review count, so a few five-star reviews cannot top the list.
+
In Pennsylvania, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
+
Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.