Clear answers. A useful next step.

It tells you there is a comfort problem, not which part has failed. Share whether every room is affected, when it began, and what the normal thermostat display shows. Start with the loss-of-heat guide.

Room heat loss, distribution, controls, and equipment can all matter. A room-specific assessment is more useful than assuming the entire system needs replacement. Understand uneven heating.

Leave immediately, call 911 from a safe place outside, and contact your gas utility. Let emergency responders establish whether re-entry is safe. Read emergency guidance.

Yes, as an option to evaluate. Ask for model-specific winter capacity, a home load calculation, suitable distribution, and a supplemental-heat plan. Fit must be established for the actual home. Explore heat pump decisions.

Age alone is not a diagnosis. Compare the verified fault, condition, repair history, parts availability, and the complete alternative scope. Compare repair and replacement.

A furnace distributes heated air. A boiler supplies hot water or steam for space heating. Their distribution systems and service needs differ. Understand boiler heating.

Keep the written findings, authorized work, invoice, model information, and checks performed. These records make future recommendations easier to evaluate. Prepare for maintenance.

It may improve control, but it cannot resolve every distribution or heat-loss problem. Confirm compatibility and investigate the cause before choosing a control change. Understand controls.

They may include different equipment, installation work, exclusions, or testing. Ask each provider to itemize the complete scope and explain the finding it addresses. Compare estimates fairly.