A new heating system in a Sammamish home is a 15-to-25-year decision — one that affects comfort, utility bills, and resale value. HotWire designs and installs systems sized to your Plateau home’s actual heat loss, not a rule of thumb.
What Sammamish Homeowners Weigh Before Installing New Heat
High-efficiency gas furnaces in the 96%+ AFUE range remain the fastest install and lowest upfront cost for Sammamish homes with existing gas service and forced-air ductwork — we install Trane XC95m, Lennox SLP99V, Carrier Infinity 59MN7, and Bryant Evolution 987M every week. Heat pumps have taken over new-construction and remodel work on the Plateau: Mitsubishi hyper-heat systems, Trane XV18, Lennox SL25XPV, and Daikin Fit units handle all-year heating and cooling from one system. Boiler replacements for hydronic homes in Sahalee, Inglewood Hill, and East Lake Sammamish Parkway estates use Viessmann Vitodens, Buderus SSB, Weil-McLain Ultra, and Lochinvar Knight — condensing modulating boilers that cut fuel use dramatically. For homes without ducts, or bonus rooms and basements that need targeted heat, we design ductless mini-split systems with 1 to 8 indoor heads served by a single outdoor unit.
Every Sammamish heating install starts with a walk-through of your actual home — square footage, insulation, window quality, orientation, current ductwork condition, existing gas or electric capacity, and where cold spots or comfort complaints exist today. That data feeds a Manual J heat loss calculation so the equipment we quote is sized right for your Plateau home — not oversized (which short-cycles and wastes fuel) and not undersized (which runs constantly and never quite catches up).
Our install crews finish most furnace or heat pump replacements in a single day. Boiler swaps and complex multi-zone systems take two to three days. Every install passes commissioning — combustion analysis for gas equipment, superheat and subcool verification for heat pumps, static pressure and airflow measurements — before we call the job done. You get a startup report on paper for your records.
Financing runs 0% for 12–18 months through Synchrony and Wells Fargo on approved credit, and we submit every rebate on your behalf. City of Sammamish permits and inspections are pulled and coordinated as part of the job — no separate errand for you.
We provide HVAC and appliance repair throughout Sammamish, including:
