+
By CR Score, the highest-ranked HVAC contractor in Saint Joseph, MN is Opie's Gold Heat n' Air with a CR Score of 95/100. It has 4.8★ from 1,335 Google reviews. It is open 24/7. Precise Heating, A/C, Plumbing & Refrigeration, Inc. (#2) and Neighborhood Plumbing, Heating, Air Conditioning and Electrical (#3) follow. We ranked 32 HVAC contractors on 8 factors, last updated October 22, 2026.
+
ContractorsRanked ranks 32 HVAC contractors serving Saint Joseph, MN. 4 of them are based in Saint Joseph; the rest serve it from nearby towns. Another 10 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
+
16 ranked HVAC contractors in Saint Joseph post 24/7 hours. The highest-ranked are Opie's Gold Heat n' Air (#1), Precise Heating, A/C, Plumbing & Refrigeration, Inc. (#2) and Neighborhood Plumbing, Heating, Air Conditioning and Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
+
17 of 32 ranked HVAC contractors post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are Opie's Gold Heat n' Air (#1), Precise Heating, A/C, Plumbing & Refrigeration, Inc. (#2) and Neighborhood Plumbing, Heating, Air Conditioning and Electrical (#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 Saint Joseph. Prices were last checked October 2026. Get at least two written quotes before you hire.
+
The median Google rating among 32 rated HVAC contractors in Saint Joseph is 4.8★, with a median of 48 reviews. Opie's Gold Heat n' Air has the most, 1,335 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
+
In Minnesota, 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.