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Service 1 Plumbing, Heating & A/C, Inc.HVAC contractor in Downers Grove, IL

Service 1 Plumbing, Heating & A/C, Inc. is an HVAC contractor in Downers Grove, IL, ranked #14 of 1,788 HVAC contractors in Downers Grove and rated 4.9 from 898 Google reviews. Open 7 days a week.

Downers Grove, ILUpdated 0 paid placements in any rankingHow we rank

Call (815) 254-1449Website ↗

Key facts

Key facts about Service 1 Plumbing, Heating & A/C, Inc.
Phone(815) 254-1449
Websiteservice1heating.com
HoursMonday to Friday: 5 AM – midnight; Saturday and Sunday: 7 AM – midnight
Google rating4.9 from 898 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingbusiness name

Service area

Serves Downers Grove and 11 towns within 25 miles: Naperville, Warrenville, Lisle, Woodridge, Winfield, Bolingbrook, Wheaton, West Chicago, Glen Ellyn, Aurora and Westmont.

Based in Downers Grove, ILView on map

Opening hours

Opening hours for Service 1 Plumbing, Heating & A/C, Inc.
DayHours
Monday5 AM – midnightevening
Tuesday5 AM – midnightevening
Wednesday5 AM – midnightevening
Thursday5 AM – midnightevening
Friday5 AM – midnightevening
Saturday7 AM – midnightevening
Sunday7 AM – midnightevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

Service 1 Plumbing, Heating & A/C, Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Service 1 Plumbing, Heating & A/C, Inc. (this business)—624.9 (898)—YesYes
Comfort Masters Service Experts#12624.8 (1,645)—YesYes11.1 mi
Freedom Heating, Cooling & Electrical#13624.9 (2,121)—YesYes17.8 mi
Perfect Home Services#15624.7 (5,573)—YesYes3.6 mi

See all 1788 ranked HVAC contractors in Downers Grove

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 898 Google reviews

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Questions about Service 1 Plumbing, Heating & A/C, Inc.

How is Service 1 Plumbing, Heating & A/C, Inc. ranked in Downers Grove?

Service 1 Plumbing, Heating & A/C, Inc. is ranked #14 of 1,788 HVAC contractors in Downers Grove by CR Score, with 62 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Service 1 Plumbing, Heating & A/C, Inc.’s hours?

Service 1 Plumbing, Heating & A/C, Inc. is open 7 days a week. Its listed hours are Monday to Friday, 5 AM – midnight; Saturday and Sunday, 7 AM – midnight. On Saturdays it is open 7 AM to midnight, and on Sundays 7 AM to midnight. Hours come from the business listing; holiday hours may differ.

What areas does Service 1 Plumbing, Heating & A/C, Inc. serve?

Serves Downers Grove and 11 towns within 25 miles: Naperville, Warrenville, Lisle, Woodridge, Winfield, Bolingbrook, Wheaton, West Chicago, Glen Ellyn, Aurora and Westmont. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Service 1 Plumbing, Heating & A/C, Inc.?

Service 1 Plumbing, Heating & A/C, Inc. has a rating of 4.9 from 898 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Service 1 Plumbing, Heating & A/C, Inc.?

Call Service 1 Plumbing, Heating & A/C, Inc. on (815) 254-1449. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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