Gas Furnaces
Gas Furnaces | HVAC Unit Replacement | Heating and Air Conditioning | Bristol
When Bristol’s winter chill sneaks in or a humid summer pushes the thermostat sky-high, HEP’s certified technicians arrive with fast, friendly service and top-tier gas furnaces and air conditioning solutions. We evaluate your home’s size, insulation, and airflow patterns, then recommend high-efficiency equipment that keeps every room comfortable while trimming energy bills. From tidy removal of your old system to meticulous installation, testing, and cleanup, you’ll see why neighbors trust our team for craftsmanship that lasts and a level of courtesy that feels refreshingly local.
If your current setup is sputtering, noisy, or simply costing too much to run, an HVAC unit replacement can turn frustration into year-round peace of mind. HEP backs every install with industry-leading warranties, transparent pricing, and flexible financing, so you never have to postpone comfort. Call today and discover how an upgraded gas furnace or AC can boost indoor air quality, increase resale value, and make Bristol’s unpredictable climate feel perfectly predictable.
FAQs
How do I know it’s time to replace my gas furnace or central AC unit in Bristol?
Most gas furnaces and air conditioners last 12–20 years. Signs you’re due for replacement include rising energy bills, frequent or costly repairs, uneven temperatures between rooms, unusual noises, and the presence of cracks or rust on the heat exchanger. Because Bristol experiences cold, damp winters and warm summers, an aging or under-performing system can substantially affect comfort and safety. A professional load calculation and inspection can confirm whether a full replacement is more economical than continued repairs.
What size and efficiency rating should I look for in a new HVAC system for a typical Bristol home?
Proper sizing is critical: an undersized unit will run constantly, while an oversized one will short-cycle, waste energy, and shorten component life. A licensed contractor will perform a Manual J heat-loss/heat-gain calculation that factors in Bristol’s climate zone, square footage, insulation level, window orientation, and occupancy patterns. For gas furnaces, look for at least 95% AFUE (Annual Fuel Utilization Efficiency). For air conditioners or heat pumps, aim for a 16–18 SEER2 rating or higher. High-efficiency units cost more upfront but can cut heating and cooling bills by 20–40% over their lifespan.
How long does a full furnace and AC replacement usually take and will I be without heat or cooling during the process?
A straightforward “swap-out” of both systems typically takes one to two full working days. Day 1 is devoted to safely removing the old equipment, upgrading the flue, gas line, and electrical connections, and setting the new furnace and outdoor condenser. Day 2 is for refrigerant charging, thermostat setup, duct adjustments, and final commissioning. Your home will be without heating or cooling only while the connections are being changed (4–8 hours). If extensive duct modifications or asbestos abatement is needed, add another day. Reputable contractors bring temporary heaters during winter work to keep indoor temperatures comfortable.
Are there local rebates or financing options available in Bristol for energy-efficient HVAC upgrades?
Yes. Through the Energy Company Obligation (ECO) and regional utility programs, Bristol homeowners may qualify for £300–£1,500 in rebates for installing high-efficiency condensing furnaces or heat-pump-ready AC systems. The UK government’s Boiler Upgrade Scheme also offers grants when switching from older gas boilers to heat pumps. Many HVAC firms partner with finance providers to offer 0% interest for 12–24 months or low-APR plans up to 10 years. Always confirm eligibility before work begins, as most rebates require the installer to be Gas Safe or F-Gas certified and the equipment to meet minimum efficiency thresholds.
What maintenance is required after my new gas furnace and AC are installed to keep the warranty valid?
Manufacturers typically mandate professional maintenance once a year for furnaces and once a year for cooling equipment—often combined into a biannual spring and autumn service. Tasks include cleaning burners and flame sensors, checking heat exchanger integrity, replacing or washing filters, lubricating motors, testing safety controls, inspecting refrigerant charge, and flushing the condensate drain. Keep all receipts: failure to document annual service can void parts and labour warranties. Homeowners should also change filters every 1–3 months and keep outdoor condensers free of leaves and debris.
How much should I budget for a complete gas furnace and air-conditioning replacement, and what factors influence the final cost?
In Bristol, a standard 80,000 BTU high-efficiency furnace paired with a 3-ton (10.5 kW) 16 SEER2 AC typically ranges from £5,500 to £9,000, inclusive of removal, installation, and VAT. Costs vary due to: • Equipment brand, efficiency, and included smart thermostats • Required ductwork repairs or upgrades • Electrical panel or gas line modifications • Addition of indoor air-quality accessories (humidifiers, UV lights, filters) • Crane fees for rooftop condensers in terraced housing • Extended labour warranties or maintenance plans. Obtaining at least three written quotes and a detailed load calculation ensures you pay a fair price and receive the right-sized system.