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Delta Air Systems Ltd.
- Rebates
- Lennox
- Furnace
“Jason; Scott; Tyler; Jordan; Zack were extremely helpful in placement of units for most efficient service installation in most unobtrusive place outside conduit and inside units.”
Best Architects in Waterloo, ON
24 firms listed · 23 in Waterloo · 5 open 24/7 · 11 open weekends · 22 rated 4.5+
Data verified October 18, 2026
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Bast Home Comfort
- Clean
- Job
- Team
“Points for not selling me a new unit and install when it wasn't needed but also extremely helpful and courteous over the phone, tech was polite, professional, touched up the paint and knew his stuff.”
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Afterglow Hvac
- Heating
- Home
- Boiler
“We have counted on your technical support for the last 15 years and my wife and I have always been impressed by your timely response, high quality of work and personalized attention to our requests”
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Koebel Heating
- Clean
- Water Heater
- Furnace
“After having heating issues I called koebel heating and they sent somebody out right away the person came out and assess the problem fixed it and I was quite pleased with the job.”
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Cross Heating & Air Conditioning Ltd.
- Clean
- Job
- Furnace
“We dealt with Jason for sales and overall coordination and he provided excellent customer service, was very quick to answer our questions, and was much more responsive than other companies we spoke with.”
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TRH Plumbing & Heating Inc
- Toilet
- Water Heater
- Price
“They were quick to respond to my call and fix everything which amazed me because I had a different company in a month before and they could not identify the problem.”
The 24 firms listed for Waterloo, ON provide architectural services. The building types they take, the services they include and the registrations they claim are taken from their own websites, and the ratings and quotes come from public reviews.
Area overview: Waterloo, ON
Of the 24 firms we list here, 23 are in Waterloo itself; the other one does not publish an address. The firms on this page are rated from 4.0 to 5.0 across 1,230 reviews; 5 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these firms on specific qualities, they most often praise professionalism (95%), responsiveness (89%) and punctuality (79%). The topics that come up most in reviews of the firms on this page are "price", "efficient" and "cleanliness". 5 are open around the clock; 11 are open on Saturdays and 9 on Sundays. 3 show a licence on their websites. Domain records put 10 websites of the firms on this page at ten or more years old; the oldest dates from 1997. 6 offer emergency call-outs; 5 offer financing or payment plans; 4 give free estimates; 2 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 23 of the firms on this page; 19 publish a contact page; 16 list a public email and 1 takes bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book.
What can an architect's website tell me?
23 of the 24 firms here give a web address. Look for photographs of finished buildings rather than renderings, and for work of your type and scale. A firm that designs schools and a firm that designs laneway houses are answering different questions, and the portfolio usually says which one you are looking at.
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Cronin Verheul Heating & Air Conditioning Ltd
- Sales
- Repair
- Furnace
“Although he had multiple calls and was extremely busy he never made us feel rushed and came back several times to make sure the heat was working and supplied us with backup heating when necessary.”
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All Year Heating and Cooling Inc.
- Price
- Service
“My husband and I were interested in HVAC services within Kitchener-Waterloo and found All Year Heating and Cooling and Vahid the owner, knowledgeable, honest and efficient workmanship.”
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Markle Heating & Cooling Inc
- Honest
- Furnace
- Heat Pump
“After being told by another local company that I had to get a full replacement, Scott did a quick diagnostic himself and completely fixed the two issues within half an hour.”
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SM Mechanical
- Furnace
- Price
- Communication
“Amazing”
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ATN Mechanical Systems
“My biggest thing is trust and integrity and the reason I am doing this review is to tell others that you can absolutely trust these guys to do their very best and that they actually care about the work they do for you.”
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Bankside Design Studio
- Construction
- Addition
- Plans
“Having never worked with a designer before we were very happy we decided to work with Kathy and her team to design a unique space of an unused dining room into a stylish room being used daily.”
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Gastech Heating and Cooling
“Kevin explained what the issue was and fixed it.”
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Eastbridge Heating & Cooling
- Questions
- Company
- Furnace
“Right from the start, they showed an impressive level of knowledge and expertise, offering valuable insights and personalized recommendations that perfectly suited my needs.”
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K-W Fireplace Installations and Home Comfort
“The tasks at hand were completed cleanly and he later then took the time to explain function and preventative maintenance so my family could enjoy our investments for years to come....”
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ABA Architects Inc
“If you are looking for architecture services in KW area these guys need to be at the top of your list.”
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AAA Air Conditioning Inc.
“Great commercial/residential hvac and BAS i-Vu controls contractor.”
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VIP Energy Services Inc
“Top notch engineering services.”
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Newground
“Beautiful bike ride to the lighthouse!”
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Reitzel Heating & Air Conditioning
- Family
- Insulation
“Prompt to give an estimate to add insulation in attic.”
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The Master Group Waterloo (Formerly Fortress)
“Fast, friendly, knowledgeable.”
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Carter-Grant Mechanical
“(Bryant furnace)highly recommended .”
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Elite Air Duct Inc
“We have been using Jim and Graham's services for decades to service our commercial properties.”
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Habermehl Design Group
“With a creative vision all her own, Alison transforms your home into something very special without sacrificing your own style preferences as the homeowner.”
Architectural Services in Waterloo, ON Cost Estimates
Minimum cost
$848
Maximum cost
$45186
National Average
$7405
Avg Per Hour Rates
$266
$2823
$12648
Fair price range is based on 260 cost profiles
Why these companies made our list
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