
Presto Home Service
Presto Home Service
Presto Home Service provides residential HVAC repair, installation and maintenance in London, Ontario, with service available around the clock. Owner Liyuan Shi worked for eight years as a petroleum engineer in China's oilfield service industry before moving to London and entering HVAC.
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Business Highlights
- Fully insured and compliant with TSSA regulations.
- Owner Liyuan Shi holds Gas fitter 2 and 313D-Residential Air Conditioning Systems Mechanic certificates.
- New furnace installations include a three-year labour warranty and a 10-year parts warranty.
- It guarantees satisfaction with the quality of its work.
Service Area
London and the surrounding area.
Active Business Listing
Presto Home Service is one of 12 HVAC companies ProsGrade lists in London, Ontario.
12 services listed, including Furnaces, Fireplaces and Water heaters. Open 24 hours, 7 days a week. 73 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Presto Home Service compares with the other 11 HVAC companies on ProsGrade in London, using public Google ratings and review counts.
- One of 12 London HVAC companies on ProsGrade.
Services Covered
12 services- FurnacesBasic and advanced models.
- FireplacesClassic, traditional and modern styles.
- Water heaters
- Garage heaters
- Heat pumps
- Central air conditioning
- Ductless air conditioning
- HVAC repairRoutine repairs and unexpected emergencies.
- HVAC maintenanceAnnual maintenance.
- Gas lines
- Ductwork
- Air quality and humidity control
Reviews
What customers say
Customers describe prompt service and professional, careful work. One customer seeking help with home humidity praised the HRV consultation and installation, including a follow-up walkthrough, floor protection and a tidy finish.
Customer Reviews
HyungSub Song
Matt & Nat's microRenovations
Paul Puhringer
Had no heat, and they were able to come out and assess within the hour. Very quick, reliable and affordable services. 20/10 would recommend.
youmi 2
They did a excellent job. They spent whole day in my house because they not only install the system but also they adjust the temperature and air volume and other stuff. All the details are perfect! Highly recommended!
Rob Kowalski
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Frequently Asked Questions
What happens if Presto Home Service cannot come out right away for a furnace repair?
If it cannot come out right away or needs to order furnace parts, it says it will provide temporary heaters until the furnace is operating properly.
How does Presto Home Service handle appointment times?
Appointments are scheduled within a two-hour window, and the company says customers will be notified if a delay occurs.










