Furnace Replacement in Waconia, MN
Furnace replacement is what we do best, and Waconia homes give us plenty of reasons to do it right. Heating & Cooling Two replaces furnaces across Waconia and the Lake Waconia area — Bryant Factory Authorized Dealer, NATE-certified installers, family-owned since 1980. Office hours Monday–Friday, 7:30am–4:30pm. Call 763-428-3677 for a free in-home estimate.
Family-owned since 1980
Three generations of Twin Cities neighbors keeping homes and businesses comfortable.
NATE-certified technicians
Factory-trained, background-checked techs who explain the work before they start.
Bryant Factory Authorized Dealer
Top-tier equipment, factory warranties and rebates you can only get from an authorized dealer.
Local knowledge
Replacing furnaces in lake country
Waconia sits on Lake Waconia in Carver County, west and southwest of the Lake Minnetonka area, and replacing a furnace here means planning for more than the box in the basement. Homes near the older downtown have often been updated more than once, and the ductwork, venting, and electrical don't always match what a modern high-efficiency furnace needs. Newer two-story homes around town are larger, with finished lower levels and bonus rooms that make proper sizing important. Out in the countryside, many properties run on propane, where every percent of efficiency shows up on the next delivery. And a lot of Waconia mechanical rooms hold more than a furnace — a boiler for radiant floors, an indirect water heater, and a whole-home humidifier all share the space. The project pictured on this page is a good example: a new Bryant furnace with an Aprilaire humidifier installed alongside a boiler, indirect water heater, and radiant floor manifolds. Replacing the furnace in a room like that means planning pipe routes, venting, controls, and service clearances so every system keeps working and stays easy to maintain for years.
Repair or replace
Signs it's time to replace
- Your furnace is well into its second decade and repairs are getting more frequent
- Propane bills on your rural Waconia property keep climbing
- Upstairs bedrooms or a bonus room never feel as comfortable as the main floor
- The house is dry and staticky all winter, and the old furnace has no humidifier
- Your furnace and boiler controls were never set up to work together
- A cracked heat exchanger warning, rust, or yellow flames on an older unit
Equipment
Your options
95%+ AFUE condensing furnaces for in-town homes
Most Waconia homes on natural gas are good candidates for a high-efficiency condensing furnace vented through the side wall, which also frees up an old chimney.
Two-stage and variable-speed furnaces for larger two-story homes
Newer Waconia homes with finished lower levels and upstairs bonus rooms benefit from equipment that runs longer at low speed, evening out temperatures floor to floor.
High-efficiency propane furnaces for rural properties
Outside town, a properly set-up LP furnace at 95%+ AFUE stretches every propane delivery further than an older standard-efficiency unit.
Whole-home humidifiers installed with the new furnace
Adding a humidifier during replacement is the easiest time to do it — like the Aprilaire unit on our recent Waconia install — and it makes dry winter air far more comfortable.
Furnaces planned around existing boiler and radiant systems
When a Waconia home also has a boiler, indirect water heater, or radiant floors, we set the new furnace so piping, venting, and controls fit cleanly beside them.
Utility rebates may apply, and financing is available on qualifying equipment. We'll go over both during your estimate.
By era
Replacing furnaces in Waconia's homes, era by era
Older homes near downtown
These houses have usually been updated in stages. We check whether the existing ductwork and returns can carry the airflow a new furnace needs, and plan new side-wall venting so the old chimney isn't left serving only a water heater without a proper liner.
Mid- and late-20th-century homes
Often the original furnace has already been replaced once. We look at duct sizing, return air, and the gas line, and whether a split-level or rambler layout calls for better balancing between levels.
Newer two-story neighborhoods
Bigger homes with finished basements need a real load calculation instead of matching the old furnace size. Two-stage or variable-speed equipment and zoning help keep the upstairs from running warm or cool.
Rural and acreage properties
Many run on propane and some combine a furnace with a boiler for radiant heat in the lower level, garage, or outbuilding. We confirm the LP setup and plan a mechanical room layout that keeps every system serviceable.
Install day
What to expect on replacement day in Waconia
On replacement day in Waconia, our crew protects the path from the door to the mechanical room first — finished lower levels and walkout basements are common, and we treat them with care. We shut off gas and power, remove the old furnace, and set the new unit, adjusting the plenum and duct connections so the new furnace fits properly instead of forcing it. In homes with a boiler, indirect water heater, and radiant manifolds in the same room, we route new venting and condensate lines around the existing piping and keep clearances so everything can still be serviced. On propane properties, we confirm the new furnace is set up for LP and check gas pressure before firing it up. If you've chosen a humidifier, it goes in the same day. Before we leave, we test the furnace through full heating cycles, check that controls between the furnace and any boiler work together, haul away the old equipment, and walk you through the thermostat and filter. Most straightforward furnace swaps are finished in a day; we'll tell you during the estimate if yours needs more time.
How it works
How a free estimate works
- 1
We look at your house.
In a Waconia home we look at the mechanical room as a whole — the furnace, any boiler or water heater sharing the space, the venting path, the ductwork, and whether you're on natural gas or propane. We also ask which rooms are hard to keep comfortable.
- 2
You get real options.
You'll get clear options side by side — condensing, two-stage, or variable-speed furnaces, LP equipment where needed, and add-ons like a whole-home humidifier — with honest advice on what fits your house and budget.
- 3
Installed right and walked through.
Our NATE-certified installers put it in cleanly, test it under real operating conditions, confirm it works with any boiler controls, and show you how everything runs before we leave.
Book a free estimate at 763-428-3677.
Why Waconia homeowners trust us with furnace replacement
Replacement is our specialty, and Waconia's combination systems are right in our wheelhouse. We're a Bryant Factory Authorized Dealer with NATE-certified installers, and we also install and service boilers, radiant floor heating, indirect water heaters, and humidifiers — so one company can plan the whole mechanical room. Every estimate is free, every quote is upfront, and our own sheet metal shop builds transitions and ductwork to fit when off-the-shelf parts don't. Office hours are Monday–Friday, 7:30am–4:30pm, with after-hours emergency service available.
Project photos
Recent Work in Waconia
A recent Heating & Cooling Two replacement in Waconia: a Bryant high-efficiency furnace with an Aprilaire whole-home humidifier, installed alongside an NTI boiler, indirect water heater, and radiant floor heating zones.





FAQ
Waconia furnace replacement questions, answered
Can you replace our Waconia furnace without disturbing the boiler and radiant piping next to it?
Yes. We plan the new furnace, venting, and condensate routing around existing boiler and radiant piping so both systems stay fully serviceable.
Is a high-efficiency propane furnace worth it on a rural Waconia property?
Usually, yes. A 95%+ AFUE LP furnace uses noticeably less fuel than an older standard-efficiency unit. We'll go over the options during your free estimate.
Should we add a whole-home humidifier when we replace the furnace?
It's the ideal time. The humidifier mounts on the new furnace and wiring is simpler during installation, which is how we set up our recent Waconia project.
Our upstairs is always uncomfortable. Will a new furnace help in our two-story Waconia home?
Proper sizing, a two-stage or variable-speed blower, and duct balancing often make a big difference. We'll also tell you if zoning makes sense.
What happens to our old chimney when the new furnace vents out the side wall?
If a water heater still uses the chimney, we'll look at venting options, including properly lining the chimney or re-venting the water heater.
Do you offer financing or rebates on furnace replacement in Waconia?
Financing is available on qualifying equipment, and utility rebates may apply depending on the system. We'll review both during your estimate.
Furnace replacement in nearby cities
Neighborhoods and areas we serve in Waconia: Downtown Waconia, Lake Waconia shoreline, Newer neighborhoods around town, Rural properties in the surrounding countryside.
Ready when you are.
Free estimates and straight answers across the Twin Cities. After-hours emergency service available.
