No heat or weak heat
Check the thermostat setting and whether the filter needs routine replacement according to the manufacturer’s instructions. Avoid opening equipment or repeatedly resetting a system that shuts down.
Mesa Plumbing, Heating & Cooling · Local since 1982
Mesa helps Boulder-area homeowners with furnace troubleshooting and repair. Explain whether your system will not start, runs without enough heat or repeatedly switches off so the team can help arrange an appropriate visit.
Licensed & insured · Veteran owned & operated · Boulder County & nearby communities

At a glance
Find the cause of a heating problem before replacing equipment. Mesa helps Boulder-area homeowners with furnace troubleshooting and repair. Explain whether your system will not start, runs without enough heat or repeatedly switches off so the team can help arrange an appropriate visit.
A practical diagnosis
Check the thermostat setting and whether the filter needs routine replacement according to the manufacturer’s instructions. Avoid opening equipment or repeatedly resetting a system that shuts down.
Frequent stops, unfamiliar sounds and uneven heating need a diagnosis. Record when the issue happens rather than guessing which part has failed.
Ask for the cause, the proposed repair and the likely remaining limitations. For hydronic heating, Mesa also provides boiler service.
What to expect
For general plumbing needs, see Mesa’s plumbing repair services. For related drain symptoms, compare drain cleaning and camera inspection.
Serving your area
Mesa serves Boulder, Broomfield, Longmont and Lafayette, with nearby service-area information for Erie, Louisville and Superior. Call with your address to confirm scheduling. Choose the service that matches the problem rather than assuming every symptom needs the most extensive repair.
Preparing photos of accessible equipment, prior repair records and a short description of recent changes can help the conversation. Do not enter a contaminated or unsafe space to collect information.
Before you book
Leave the building immediately and contact emergency services or your gas utility from outside. Do not use a web form or wait for a routine appointment.
Call to confirm current scheduling and parts availability. An online service request is not confirmation of an appointment or a promise that parts are in stock.
A diagnosis, equipment age, repair cost, recurring faults and comfort needs should guide that decision. Ask for the reasons behind each option.
Mesa lists boiler repair among its services. Tell the team whether your home uses a forced-air furnace or a boiler and radiators or radiant heating.
Let’s get it fixed
Call Mesa with your address, the symptoms and when the problem started. We’ll confirm service availability and help you arrange a visit. An online request is a request for contact, not a confirmed appointment.