Tankless Combi Boilers in Durango

Home heating and endless hot water from one compact, high-efficiency unit — no storage tank, no wasted space, no running out mid-shower. Installed and serviced by local pros who know mountain homes.

970-317-2737

Trust / stat row:

• 4.9★ — Google Rating
• 24/7 — Emergency Service
• Licensed — & Fully Insured
• $0 — Financing Options

Combi Boiler Services

One Unit. Two Jobs. Zero Compromise.

Everything you need to install, convert to, or keep a tankless combi running at its best.

Combi Boiler Installation

New tankless combi units that handle heating and hot water in one wall-hung box — sized right for your home.

System Conversions

Replace a separate boiler + water heater with one high-efficiency combi and reclaim the space.

Combi Boiler Repair

No heat, no hot water, error codes, or pressure loss — fast diagnosis on all major combi brands.

Descaling & Maintenance

Annual flushing and descaling that protects the heat exchanger — critical with hard mountain water.

Hot Water Upgrades

Endless on-demand hot water without a storage tank taking up your mechanical room.

Smart Controls

Outdoor reset and smart thermostats that fine-tune the combi for peak efficiency year-round.

Is a Combi Boiler Right for Your Home?

A tankless combi boiler combines your heating boiler and water heater into a single wall-hung unit. It heats your radiant floors or baseboards like a regular boiler — and when you open a hot tap, it instantly switches to heating domestic water on demand. No storage tank, no standby heat loss, no bulky mechanical room.

Combis shine in small-to-medium homes, townhomes, and remodels where space is tight and hot-water demand is moderate. For larger homes with several bathrooms running at once, a conventional boiler with an indirect tank — or a dedicated tankless water heater — may serve you better. We’ll assess your home honestly and recommend the setup that actually fits, not the one with the biggest price tag.

Why Durango Homeowners Choose Combi Boilers

• Space savings. One wall-hung unit replaces a boiler and a 50-gallon tank — huge in homes with small mechanical rooms.
• High efficiency. Modern condensing combis extract more heat from every unit of fuel than aging separate systems.
• Endless hot water. Heated on demand, so you don’t run out — and you’re not paying to keep a tank hot all day.
• One system to maintain. A single annual service covers both your heat and your hot water.
• Lower running costs. No standby losses and smarter modulation mean the unit only works as hard as it needs to.

What to Know Before You Convert

• Hot water demand matters. A combi heats water as it flows — simultaneous showers and laundry can outpace smaller units. Proper sizing is everything.
• Hard water needs management. Mountain water is tough on heat exchangers; regular descaling (and sometimes a softener) protects your investment.
• Gas line and venting. Conversions sometimes need a gas line upgrade or new venting — we check all of this in the free estimate.
• High-altitude tuning. Combustion must be set up differently at Durango elevation for safe, efficient operation — our techs do this on every install.