High-Efficiency Cooling. Expertly Sized. Installed the Right Way.
Upgrading your AC system isn’t just about staying cool — it’s about making the right investment for long-term comfort, energy efficiency, and system reliability.
At Otto Heating & Cooling, we match you with a properly sized system and install it with precision. No guesswork, no overselling — just honest advice and professional results from Edmonton’s trusted HVAC experts.
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Get a free in-home assessment & installation quote
Flat, upfront pricing & flexible financing options available
Installed By Our Certified & experienced HVAC technicians
Is It Time to Upgrade Your AC?
If your air conditioner is 10–15 years old, struggling to cool evenly, or costing more to run, it may be time to consider a replacement. But not all new systems deliver the same results — and bigger or more expensive doesn’t always mean better.
We help you answer two of the most important questions before upgrading:
What size system does your home actually need?
What SEER rating offers the right balance of efficiency and value?
It starts with a free in-home assessment from our certified HVAC professionals.
Get a Free In-Home AC Sizing & Quote
Not sure what size AC your home actually needs? That’s exactly what we’re here to help with.
At Otto, we offer free in-home consultations where our certified HVAC technicians assess your space, layout, insulation, and more to determine the correctly sized system for your home — not too big, not too small, just right for long-term comfort and performance.
Free, no-pressure quote
Proper sizing from experienced HVAC pros
Get matched with the right tonnage & SEER rating for your space and lifestyle
Book your consultation today to avoid the common (and costly) mistakes of oversizing or undersizing your air conditioner.
Featured AC Systems
We offer a select range of high-efficiency, high-performance air conditioners, chosen for their reliability, comfort, and energy savings—perfect for the demands of Saskatchewan summers.
ML14XC1
Up To 14 SEER
Size Options:
- 1.5T
- 2T
- 2.5T
- 3T
- 3.5T
- 4T
- 5T
ML17XC1
Up To 15 SEER
Size Options:
- 1.5T
- 2T
- 2.5T
- 3T
- 3.5T
- 4T
- 5T
EL16XC1
Up To 18 SEER
Size Options:
- 2T
- 3T
- 4T
- 5T
Smarter Sizing = Better Comfort & Efficiency
Most AC problems stem from systems that are either oversized or undersized. We perform a full load calculation to recommend a system that’s custom-matched to your home’s design and needs — not just its square footage.
Our sizing process factors in:
Insulation Levels
Poor insulation increases cooling demands
Home Layout
Open-concept vs. multi-storey affects airflow
Sun Exposure
South- and west-facing windows raise heat gain
Occupancy
More people = more internal heat generation
Ceiling Heights
Higher ceilings = greater air volume
Ductwork
Leaky or restricted ducts impact sizing and performance
What’s a SEER Rating - and What’s a Good One?
SEER (Seasonal Energy Efficiency Ratio) is a measurement of how efficiently your AC uses electricity to cool your home. The higher the rating, the more efficient the system.
| SEER Range | What It Means |
|---|---|
| 13–15 SEER | Standard efficiency systems |
| 16–18 SEER | Ideal blend of cost & performance |
| 19+ SEER | Premium performance and long-term savings |
Upgrade Your Comfort Without the Large Upfront Cost
New A/C From Just
$63/Month*
Enjoy reliable whole-home cooling with an affordable monthly payment that fits more comfortably into your budget.
Financing starting at $63/month*
Quiet, efficient cooling
Consistent whole-home comfort
Flexible financing options
Professional system sizing
Expert installation by Otto’s pros
Only Until August 31, 2026
Request Your Free A/C Quote
End-of-Season A/C Clearance
Save $500
On In-Stock A/C Systems
Upgrade your home comfort for less with end-of-season savings on qualifying air conditioners already in stock.
$500 off qualifying in-stock systems
Quiet, efficient cooling options
Consistent whole-home comfort
Professional system sizing
Expert installation by Otto’s pros
Limited equipment available
Get Comfortable Now and Be Ready for Next Summer
Once the remaining systems are gone, the clearance savings are gone too.
Only Until August 31, 2026, or While Supplies Last
A Trusted Lennox Premier Dealer
Otto Heating & Cooling is proud to be a Lennox Premier Dealer — a distinction awarded only to top-tier HVAC companies who meet Lennox’s highest standards for technical expertise, customer satisfaction, and consistent service excellence.
Access to Industry-Leading Products
We install premium Lennox air conditioners known for quiet operation, energy efficiency, and long-term reliability — including high-SEER models ideal for Edmonton’s climate.
Exclusive Warranty Coverage
Enjoy peace of mind with 10-year parts warranties on most new Lennox installations, backed by a manufacturer we trust.
Unmatched Product Knowledge
Whether you’re interested in ultra-efficient two-stage cooling, smart thermostat integration, or air quality add-ons, we’ll help you choose the right Lennox system for your home.
Choosing Otto means more than a new AC — it means confidence in the quality, performance, and care behind your installation.
Experience You Can Trust, Service You Can Rely On
With years of expertise, upfront pricing, and a reputation for quality, we’re committed to providing Edmonton homeowners with reliable heating solutions and exceptional service.
Reliable Service Since 2007
Over 15 years of trusted HVAC expertise in Edmonton.
Certified, Professional Installers
Our skilled expert HVAC technicians ensure flawless installations.
Upfront Pricing & Free Quotes
No surprises, just honest and transparent service.
Fast, Reliable Service
Punctual service and efficient installations to get your heating system up and running fast.
Long-Term Peace of Mind
Enjoy warranty-backed protection and expert support long after your furnace is installed.