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Ambrose Plumbing & Heating
- Drain
- Call
- Expertise
“They charged us an arm and a leg for the work he did and when he left we unplugged the sink and flushed the toilet and water came up again 5 mins after he left.”
Best Pressure & Power Washing in St. Thomas, ON
24 companies listed · 6 in St. Thomas · 11 open 24/7 · 18 open weekends · 22 rated 4.5+
Data verified October 18, 2026
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Total Plumbing Solutions
- Work
- Shower
- Information
“Couple of minor issues with the doors shipped from the distributor which Adam immediately followed up on to rectify before installing and kept me updated on progress.”
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Bakker's Power Washing
- Power Washed
- Did
- Job
“Jeremy was a professional young man who truly did an excellent job on our house.”
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Exteria Brite
“Their level of flexibility is a great fit for our business and they have accommodated our needs throughout several phases of renovation.”
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National Plumbing Solutions
“Had my new doors installed in a few hours and they cleaned up as if they were never there.”
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Pro-Touch Window Cleaning
“Call them because you deserve sparkling clean windows!”
Listed for homeowners in and around St. Thomas, ON, these 24 companies do pressure and soft washing. The season is short and the calendar fills from spring, so ask what is still open and whether masonry work is scheduled well clear of the first frosts.
Area overview: St. Thomas, ON
Of the 24 companies we list here, 6 are in St. Thomas itself and 18 come from London (16, 24 km) and Dorchester (1, 26 km). The companies on this page are rated from 4.1 to 5.0 across 5,482 reviews; 16 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), quality (80%) and responsiveness (76%). The topics that come up most in reviews of the companies on this page are "price" and "efficient". 11 are open around the clock; 18 are open on Saturdays and 13 on Sundays. The services the companies on this page list most often on their websites are carpet cleaning (2), power washing (2), pressure washing (2) and window cleaning (2). 3 show a licence on their websites and 1 lists staff certifications (IICRC). 6 have ten or more years of experience, the longest 24 years. 12 offer emergency call-outs; 1 offers financing or payment plans; 12 give free estimates; 3 are family- or locally-owned and 5 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Does licensing matter for washing work?
3 of the 24 listings on this page show a licence on their websites. Washing is rarely a licensed trade, so the paperwork that protects you is liability insurance and workers coverage rather than a licence. Ask for the certificates, because this work damages property when it goes wrong.
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London Steam Carpet
- Furnace
- Work
- Dryer
“They did a much better job than the previous companies ive used.”
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Orzech Heating & Cooling
- Water Heater
- Efficient
- Home
“Orzech company was great to work with, they showed up when they said they would completed the job on time as they said , they laid down mats in the house and everything was as clean as when they arrived”
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Power Wash Master
- Work
- Concrete
- Siding
“Ed and the guys were so professional and time proficient, they knew what they were doing, i had a mission impossible on my driveway but they did it perfectly.”
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Bear Property Cleaning
- Windows
- Siding
- Brand
“Very professional, courteous and responsive - We have been working with John and his team for Christmas light install and removal for our home for the past 2 years and they have been terrific.”
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Celtic Property Cleaning
- Staining
- Pressure Washing
- Spring
“When we hired him and his company he gave us a detailed time table and showed up with his helper on time and even came on a weekend to finish a few items as promised and on time.”
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London Plumbing
- Questions
- Future
- Kitchen Sink
“They gave me different options to solve my issue (including fully inclusive prices with no hidden/extra costs), and when I made my decision we were able to book a time for the appointment within 48 hours.”
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Donaldson Heating and Air Conditioning
- Tankless Water Heater
- Plumber
- Bathroom Renovation
“I emailed donaldson to require some assistance and within 24 hrs or less they have already confirmed me a spot to get service done but they were on time, pleasant, and thorough.”
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Plumbhouse Plumbing
- a/c
- Shower
- Fair
“I hope that was his name) arrived ahead of schedule, were extremely quick with swapping 4 of my light fixtures as well as adding a new outlet for an upcoming kitchen renovation I am completing.”
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Roy Inch & Sons Home Services by Enercare
- Rental
- Check
- Plumber
“Sean was awesome, he helped sort out an issue caused by a previous tech where my home address on my account was changed and fixed the water heater all at the same time!”
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519windows & Eaves
- Ladders
- Students
- Siding
“They do a fantastic job, not only ensuring the glass is sparkling clean but they also wipe down the sills and frames so that everything looks new again.”
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Steve Young Plumbing & Heating Ltd
- Questions
- Basement
- Renovations
“Would not hesitate to recommend his company, and he will continue to be my go-to for all plumbing related needs for residential and commercial properties.”
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Triton Home Service
- Sink
- Drain
- Technician
“While on a job this big, price was one factor, the other was the time he took to explain, hash through different options and propose a solution that ticked all the boxes.”
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Enviro-Master
- Office
- Smell
- Quality
“Worker comes in at the drugstore I work at and is super nice and kind; he completes the sanitization well and makes sure to sanitize all areas and makes all of us feel secure and safe!”
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S&I Cleaning
- Efficient
- Team
- Employees
“On top of this, the communication that I have had with Stefan and Igor has always been pleasant and they always make sure I am satisfied with their service.”
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Ambassador Window Cleaners & More
- Construction
- Price
- Company
“Extremely detail oriented and committed to outstanding results, which is exactly what I was looking for when hiring a window cleaning company to take of my small business' exterior.”
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Household Plumbing
“I have been a repeat customer of Household Plumbing and have been impressed every time with the excellent customer service in store and staff that come out to complete the work.”
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Royal Steam Inc.
- Job
- Price
- Company
“This is the first time I have written a review for a company or person that has done work for me but I had to send this review because I was so impressed that I took time to do so.”
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U Need A Plumber
- Shower
- Price
- Project
“We called in the morning and told John that our old outdoor tap needed to be replaced & he was here within a few hours and had the job completed very quickly.”
Pressure Washing Services in St. Thomas, ON Cost Estimates
Minimum cost
$115
Maximum cost
$685
National Average
$326
Avg Per Hour Rates
$72
$212
$446
Average price range is based on 470 cost profiles
Why these companies made our list
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