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Delta Air Systems Ltd.HVAC contractor in Waterloo, ON

Delta Air Systems Ltd. is an HVAC contractor at 595 Colby Dr #2, Waterloo, ON N2V 1A1, ranked #4 of 249 HVAC contractors in Waterloo and rated 4.9 from 631 Google reviews. Open 24 hours a day, 7 days a week.

Waterloo, ONUpdated 0 paid placements in any rankingHow we rank

Call (226) 640-5110Website ↗

Key facts

Key facts about Delta Air Systems Ltd.
Address595 Colby Dr #2, Waterloo, ON N2V 1A1Get directions
Phone(226) 640-5110
Websitedeltaairsystems.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 631 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Waterloo and 6 towns within 40 km: Kitchener, New Hamburg, Guelph, Cambridge, Paris and Stratford.

Based in Waterloo, ONView on map

Opening hours

Opening hours for Delta Air Systems Ltd.
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

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 converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$5,460CA$8,400CA$11,350
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$3,970CA$6,770CA$9,690

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

Compare nearby HVAC contractors

Delta Air Systems Ltd. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Delta Air Systems Ltd. (this business)—644.9 (631)—YesYes
Able Air Conditioning & Heating#2655.0 (1,247)—YesYes8.9 km
Reliance Heating, Air Conditioning & Plumbing#3654.7 (2,268)—YesYes1.6 km
Local Heating And Cooling#5645.0 (397)—YesYes0.7 km

See all 249 ranked HVAC contractors in Waterloo

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 631 Google reviews

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Questions about Delta Air Systems Ltd.

How is Delta Air Systems Ltd. ranked in Waterloo?

Delta Air Systems Ltd. is ranked #4 of 249 HVAC contractors in Waterloo by CR Score, with 64 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 Delta Air Systems Ltd.’s hours?

Delta Air Systems Ltd. is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Delta Air Systems Ltd. serve?

Serves Waterloo and 6 towns within 40 km: Kitchener, New Hamburg, Guelph, Cambridge, Paris and Stratford. 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 Delta Air Systems Ltd.?

Delta Air Systems Ltd. has a rating of 4.9 from 631 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 Delta Air Systems Ltd.?

Call Delta Air Systems Ltd. on (226) 640-5110. The business is at 595 Colby Dr #2, Waterloo, ON N2V 1A1. 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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