Custom home owners
Large Kleinburg and Maple homes often need two systems or a multi-zone setup to keep every level comfortable.
Vaughan · York Region
HVAC Company in Vaughan for Large Homes and Local Businesses
Big houses, big windows, big cooling loads
Large homes in Vaughan need HVAC that can handle tall glass, high ceilings and long duct runs. We design and install multi-zone ductless systems, high-capacity heat pumps and furnaces for houses in Kleinburg, Maple and Woodbridge, and we work with shops and offices in Concord too. Every job starts with a guaranteed written quote.
- Multi-zone ductless systems from 18,000 to 60,000 BTU
- Ducted heat pumps from 2 to 5 tons, or two systems for the biggest homes
- Licensed refrigeration and TSSA-certified gas technicians
- Homes, shops, offices and warehouses
Voted Best Company 2019 to 2021 · Authorized Midea, Lennox, Kepler & Rinnai dealer, plus Goodman · 20+ years
Our Brand Partners
Vaughan HVAC at a glance
This city mixes large custom homes, family subdivisions and a busy commercial core. Each one calls for a different plan.
- HomesLarge custom and semi-custom builds
Kleinburg and Maple have plenty of big homes with tall foyers and walls of glass. Woodbridge and Vellore Village lean more toward family subdivisions.
- BusinessConcord shops and warehouses
Commercial and industrial units need equipment that keeps offices, showrooms and work areas comfortable through long days.
- UtilitiesAlectra and Enbridge Gas
We look at Alectra electricity rates and Enbridge gas use together when we compare heat pumps, furnaces and hybrid setups.
- Summer loadHot summers, lots of glass
Big windows let in a lot of sun. In many homes here, the cooling load, not the heating load, decides the equipment size.
Who our Vaughan HVAC technicians work for
Four kinds of clients, four different approaches.
Families in subdivisions
Woodbridge and Vellore Village homes with a hot bonus room or a finished basement often do well with a ductless head added to the main system.
Shops and offices
Concord retail units, showrooms and offices need steady comfort for staff and customers. We install and service rooftop units, split systems, ductless and heat pumps for commercial spaces.
Renovations and additions
Adding a sunroom, a loft or a garage suite? A ductless or multi-zone system heats and cools the new space without reworking your ducts.
Not sure which option fits your home?
Tell us about your house and we'll recommend the right system, with a guaranteed price and your rebate estimate.
Air conditioning in Vaughan that can't keep up, and other big-home headaches
Large homes and commercial spaces run into the same handful of issues. Here's what we find and how we fix it.
The great room with two-storey windows is the hottest spot in the house
Tall glass takes on a huge amount of sun, and one floor register can't push enough cool air up that high. A high-wall ductless head or a dedicated zone handles that load directly.
The upstairs AC runs nonstop on a heat-wave afternoon
In two-system homes, the upper unit is often the undersized one. We run a heat-gain calculation, check the attic duct runs and resize the equipment to what the floor actually needs.
The far bedrooms are stuffy while the kitchen is cold
Long duct runs lose pressure before they reach the end of the house. A multi-zone ductless system can serve several rooms from one outdoor unit, each with its own control.
The work area by the loading door in Concord never warms up
Big doors dump heat every time they open. We look at the space, the doors and the equipment already there, then recommend capacity that recovers quickly after each opening.
Heating a big house costs more every winter
An old single-stage furnace wastes a lot of gas in a large home. A two-stage, variable-speed furnace up to 120,000 BTU, or a hybrid heat pump setup, cuts that waste.
Outdoor units and line sets clash with the look of a custom home
We plan line set routes before install day, use paintable covers and set condensers out of sight lines where the lot allows, so the system suits the house.
The showroom's rooftop unit has no service history and the landlord shrugs
A rooftop unit that has never been looked at is a breakdown waiting for the busiest Saturday of the year. We inspect it, record the model, filters, belts and refrigerant charge, and set up a maintenance schedule with the readings on file. If the unit is past saving, you get a written replacement price to take to the landlord or your lease negotiations.
Sound familiar?
Describe the problem and we'll tell you what it usually is, what it costs to fix, and whether it's worth fixing.
Vaughan pricing for multi-zone, high-capacity and commercial HVAC
A multi-zone system is priced by the number of heads, and a two-system home as two separate installs. The rows below are the starting points for each piece of the job.
| Service | Typical price in Vaughan |
|---|---|
| Ductless mini split, one zone Midea or Kepler wall unit with outdoor unit and line set | Written quote |
| Cold-climate heat pump, installed Midea EVOX G3 or Kepler, 2 to 5 ton, rated to -30°C | From $5,500 |
| High-efficiency furnace, installed Lennox ML296V or Midea MGH96, 96% to 97% AFUE, two-stage variable-speed | From $3,300 |
| Central air conditioner, installed Lennox or Midea, sized from a heat-gain calculation | Written quote |
| AC repair Diagnostic visit plus common parts such as capacitors, contactors and refrigerant leak repair | Quote after diagnosis |
Installed pricing depends on size and installation requirements, and every job gets a written, guaranteed quote. Qualifying cold-climate heat pumps can bring back up to $7,500 through the Home Renovation Savings Program, and financing runs 0% for 3, 6 or 9 months on approved credit.
Six recent installs from our crew
A few of our recent Ontario projects: multi-zone heads, outdoor units, air handlers and furnaces. Bigger systems, finished cleanly.
How we deliver HVAC services in Vaughan
Bigger systems need more planning up front. Here's how we handle it.
- 1
Walk the property with you
We look at every level, the glass, the attic, the mechanical room and the panel. For businesses, we also note your hours and how the space gets used.
- 2
Calculate the real load
A room-by-room heat-loss and heat-gain calculation tells us whether one system, two systems or a multi-zone setup is right.
- 3
Hand you a guaranteed quote
Model numbers, BTU sizes, rebate estimates and financing options in writing, with one price that holds for the agreed scope.
- 4
Install, commission and hand over
We start up each zone, check refrigerant charge and airflow, set up the controls and register your warranty.
High-capacity furnaces and multi-zone heat pumps for Vaughan
Furnaces up to 120,000 BTU for the biggest Kleinburg and Maple homes, 5-ton ducted heat pumps, and multi-zone outdoor units up to 60,000 BTU that feed several heads from one spot on the lot.
Gas furnace
Lennox ML296V
96% AFUE, two-stage, variable-speed blower, 45,000 to 110,000 BTU
20-year limited heat exchanger warranty
Gas furnace
Lennox EL297V
97% AFUE, two-stage, variable-speed blower
20-year limited heat exchanger warranty
Gas furnace
Midea MGH96
96.5% AFUE, two-stage, variable-speed, 60,000 to 120,000 BTU
Registered warranty, up to 12 years parts and labour on select systems
Gas furnace
Goodman GMVC96
Up to 96% AFUE, two-stage, variable-speed ECM blower, 40,000 to 120,000 BTU/h input
10-year parts and unit replacement limited warranties when registered online
Cold-climate ducted heat pump
Midea EVOX G3
2 to 5 ton, inverter, R-454B, ENERGY STAR cold climate, rated to -30°C
Up to 12 years parts and labour on select systems
Ducted heat pump
Kepler cold-climate
1.5 to 5 ton, rated to -30°C, quiet operation
Registered warranty
Single and multi-zone
Midea ductless
18,000 to 60,000 BTU outdoor units, wall-mounted heads
Registered warranty
One big system or two: how we decide for a Vaughan home
Past a certain size, a single furnace or heat pump stops being the right answer, and the decision comes down to the shape of the house rather than its square footage.
A long two-storey with the mechanical room at one end can rarely push enough air to the far bedrooms upstairs, no matter how big the blower is. Two systems, one per floor, solve that with shorter duct runs and separate thermostats. A home with a great room full of glass has a cooling load in one spot that the rest of the house doesn't share, and a dedicated ductless zone handles it without oversizing everything else. A wide bungalow with a central furnace room often does fine on one large two-stage unit and a properly balanced duct system.
The room-by-room load calculation tells us which case you're in. The quote then shows one system, two systems or a main system plus zones, each priced separately so you can see what the extra equipment buys you.
Ask a Vaughan HVAC contractor for a multi-zone or high-capacity quote
Large homes and commercial spaces don't fit a one-size quote. Tell us the square footage, the number of floors and the rooms that give you trouble, and we'll come back with real options instead of a sales pitch.
For businesses in Concord, mention your hours and the type of space. Rooftop units, split systems and ductless are all work we install and service, and we can schedule around your business hours.
- Multi-zone ductless from 18,000 to 60,000 BTU
- Ducted cold-climate heat pumps from 2 to 5 tons
- Gas furnaces up to 120,000 BTU
- We may beat a comparable reputable quote by up to 10%, where applicable
What Vaughan homeowners can expect: our customers in their own words
Rated 4.5 on Google and voted Best Company 2019, 2020 and 2021 on HomeStars.
4.5Google rating from verified customers
We had a heat pump/AC unit installed by EHI, on time, on budget, great workmanship. Julian and team were knowledgeable and courteous. Dustin communicated well and is managing our government rebate for the new efficient system. Thank you Team!
Replaces our AC with a new heat pump in Ottawa and the whole experience was outstanding. From the first call, Dustin was incredibly responsive and communicated clearly every step of the way. He cut through all the usual sales fluff and got straight to what mattered — options, costs, timelines, and what made the most sense for our home. They addressed every concern I had, explained the details discussed my technical questions, and handled the installation quickly and professionally. The quality of the work is excellent, everything was done cleanly, and the system has been running perfectly since. Pricing was fair and transparent, and there were no surprises. It’s rare to find a company that combines speed, honesty, and solid workmanship like this. Highly recommended.
Recently got a shiny new heat pump installed. Went very well, nice unit and it works soooo quietly. These fine folks were very easy to deal with, professional and thourough. Would highly recommend.
Efficient Home Improvements truly went above and beyond. Our furnace failed on Christmas Eve in Ottawa, and their team stayed up late (3:00am) that night to replace it. Their responsiveness, professionalism, and dedication during the holidays were exceptional. The work was completed efficiently, and everything was explained clearly. It’s rare to find a company willing to sacrifice their own holiday time to ensure a customer’s home is warm and safe. I highly recommend Efficient Home improvements to anyone in need of reliable and compassionate service.
I recently had a new furnace and tankless water heater installed by this company. Excellent service by both office and technicians , I highly recommend!
The Installers were great.. Got in and got the job done..the furnace works amazing compared to the old one !!! Need a furnace..A/C water tankless system..there your guys!!!!
Had a tankless water heater installed and couldn’t be happier. The installation was quick, professional, and the system works great — endless hot water and more efficient than my old tank. Highly recommend!
Dustin and his team were really responsive and helpful in getting us a new heat pump to replace our broken AC unit. The team went above and beyond helping us through the process and answering other questions about the house we recently moved in to. I would highly recommend Efficient Home Improvements for any of your HVAC needs.
Vaughan service pages
Detailed local pages for the work we do most often in Vaughan.
Licensed HVAC Contractor · Serving Ontario for 20+ Years
Proudly Serving Vaughan, Ontario
EHI Heating And Cooling has kept Ontario homes and businesses comfortable for more than 20 years. Our licensed crews come to your home or business anywhere in Vaughan, with a written, guaranteed quote before any work starts.
- ServingVaughan, Ontario
- Phone1-647-694-5845
- Emailefficienthomecomfort@gmail.com
Business Hours
- Monday8:00 AM to 8:00 PM
- Tuesday8:00 AM to 8:00 PM
- Wednesday8:00 AM to 8:00 PM
- Thursday8:00 AM to 8:00 PM
- Friday8:00 AM to 8:00 PM
- Saturday8:00 AM to 8:00 PM
- Sunday10:00 AM to 5:00 PM
Emergency service available evenings, weekends and holidays.
We also serve communities near Vaughan
Other cities in Toronto and York Region we serve
Every city gets the same licensed crews, guaranteed pricing and rebate paperwork. Pick yours for local details.
- TorontoHVAC services
- ScarboroughHVAC services
- North YorkHVAC services
- EtobicokeHVAC services
- MarkhamHVAC services
- Richmond HillHVAC services
- ThornhillHVAC services
- WoodbridgeHVAC services
- AuroraHVAC services
- NewmarketHVAC services
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- East GwillimburyHVAC services
- GeorginaHVAC services
Frequently asked questions
How many HVAC systems does a large Vaughan home need?
It depends on the load calculation, but big homes with tall ceilings and lots of glass often need two systems, or one main system plus multi-zone ductless for the hardest rooms to cool.
What is a multi-zone ductless system?
A multi-zone ductless system is one outdoor heat pump connected to several indoor heads, each with its own temperature control. It suits large homes, additions and rooms the ductwork can't reach.
Do you do commercial HVAC in Vaughan?
Yes. We install and service rooftop units, split systems, ductless and heat pumps for shops, showrooms, offices and warehouses in Concord and across Vaughan, and we can work around your hours.
Can a heat pump cool a big house during a Vaughan heat wave?
Yes, when it's sized from a proper heat-gain calculation. A cold-climate heat pump cools like central air in summer and heats down to -30°C in winter.
What if my furnace or AC quits in Vaughan after hours?
Yes. We take emergency HVAC calls in Vaughan evenings, weekends and holidays. Call 1-647-694-5845 to reach us.
Can one HVAC company in Vaughan look after my house and my shop?
Yes. We handle residential and commercial work, so one company can look after your home and your Concord unit. Each one gets its own assessment and quote.
How much does HVAC installation cost for a large Vaughan home?
Starting points in Vaughan are $3,300 installed for a high-efficiency furnace and $5,500 for a cold-climate heat pump, and a home that needs two systems is priced as two installs. Multi-zone ductless is quoted by the number of heads. Installed pricing depends on size and installation requirements, and the written quote is guaranteed for the agreed scope.
Page reviewed and updated October 27, 2026. Prices, rebates and program terms are checked at each update.