The Best HVAC Contractors in Indiana

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Overall ratings

Experts Score 0–100iExperts Score (0–100)Weighted average of 7 percentiles vs other companies in the category: satisfaction 35%, workmanship 20%, reliability 15%, value 10%, momentum 8%, track record 7%, owner replies 5%. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of HVAC contractors).

#	Company	ScoreiExperts Score (0–100)Weighted average of 7 percentiles vs other companies in the category: satisfaction 35%, workmanship 20%, reliability 15%, value 10%, momentum 8%, track record 7%, owner replies 5%. Hover a company’s score on its page for the full breakdown.	FactorsiFactor grades, in orderSatisfaction (38%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; 65% absolute (3.5★ = 0, 5★ = 100), 35% vs the category.Reliability (17%): How rarely jobs go badly: share of 1–2★ reviews in the last 24 months, or the 20 newest if fewer (fewer = better); 65% absolute (0% = 100, 15%+ = 0), 35% vs the category.Craft & service (20%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review with highlights; 65% absolute (0% = 100, 10%+ = 0), 35% vs the category.Value (10%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), 35% vs the category.Momentum (10%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100.Replies to reviews (5%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), 35% vs the category.One letter per factor, by percentile among peers: A = top 20%, B = next 20%, and so on.	★iGoogle star rating as shown on Google Maps.	Typical billiMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
1	Good Guys Home ServicesCarmel, IN	A 85iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 38%87+33.1Reliability 17%87+14.8Craft & service 20%72+14.4Value 10%91+9.1Momentum 10%100+10Replies to reviews 5%81+4.1Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AABAAA	4.95	$239
2	Howald Heating, Air Conditioning & PlumbingCarmel, IN	A 85iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 38%86+32.7Reliability 17%90+15.3Craft & service 20%73+14.6Value 10%73+7.3Momentum 10%100+10Replies to reviews 5%99+5Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AABBAA	4.95	$251
3	LCS Heating and CoolingCarmel, IN	A 84iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 38%79+30Reliability 17%79+13.4Craft & service 20%87+17.4Value 10%88+8.8Momentum 10%100+10Replies to reviews 5%82+4.1Experts Score= 84Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	BBAAAA	4.94	$166
4	Sloderbeck Heating & Cooling, LLCCarmel, IN	A 82iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 38%85+32.3Reliability 17%93+15.8Craft & service 20%53+10.6Value 10%85+8.5Momentum 10%100+10Replies to reviews 5%88+4.4Experts Score= 82Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AACAAA	4.95	—
5	Peterman Brothers Heating, Cooling, Plumbing, and ElectricalCarmel, IN	A 80iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 51%82+41.5Reliability 23%80+18.1Value 13%53+7.1Momentum 13%100+13.3Experts Score= 80Not enough data for craft & service, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AA–CA–	4.96	$196
6	Jons AirCarmel, IN	B 76iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 51%76+38.5Reliability 23%59+13.4Value 13%80+10.7Momentum 13%100+13.3Experts Score= 76Not enough data for craft & service, replies to reviews; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	BC–AA–	4.96	$447
7	Action AirCarmel, IN	B 73iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 38%71+27Reliability 17%65+11.1Craft & service 20%66+13.2Value 10%81+8.1Momentum 10%100+10Replies to reviews 5%69+3.5Experts Score= 73Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	BBBAAB	4.89	$142
8	Precision Comfort SystemsCarmel, IN	B 67iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 38%75+28.5Reliability 17%76+12.9Craft & service 20%31+6.2Value 10%60+6Momentum 10%100+10Replies to reviews 5%73+3.7Experts Score= 67Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	BBDBAB	4.90	$292
9	Godby Heating Plumbing ElectricalCarmel, IN	B 65iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 38%66+25.1Reliability 17%69+11.7Craft & service 20%39+7.8Value 10%68+6.8Momentum 10%100+10Replies to reviews 5%63+3.2Experts Score= 65Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	BBDBAB	4.86	$429
10	Appel Heating & Air ConditioningCarmel, IN	B 64iHow the Experts Score is calculatedEach factor is scored 0–100 against the other companies in this category (Satisfaction and Reliability also count absolute quality: 65% absolute, 35% relative), then weighted:Satisfaction 38%61+23.2Reliability 17%54+9.2Craft & service 20%62+12.4Value 10%82+8.2Momentum 10%74+7.4Replies to reviews 5%77+3.9Experts Score= 64Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	BCBABB	4.85	$171

What jobs cost

What customers paid, from the price Google asks reviewers to report.

HVAC Contractors in Indiana at a glance

How the 10 HVAC contractors we rated in Indiana compare, and what customers praise most.

How we grade

Satisfaction (38%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; 65% absolute (3.5★ = 0, 5★ = 100), 35% vs the category.

Reliability (17%) — How rarely jobs go badly: share of 1–2★ reviews in the last 24 months, or the 20 newest if fewer (fewer = better); 65% absolute (0% = 100, 15%+ = 0), 35% vs the category.

Craft & service (20%) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review with highlights; 65% absolute (0% = 100, 10%+ = 0), 35% vs the category.

Value (10%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), 35% vs the category.

Momentum (10%) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100.

Replies to reviews (5%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), 35% vs the category.