HVAC in Lombard, IL
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Half of the roughly 18,000 homes in Lombard, IL were built before 1971, according to Census estimates for this city of about 44,000 people. The city sits in climate zone 5A, a cool, humid climate. Below: what that means for heating and cooling work, who handles permits, how to check a company, and questions to ask.
This page covers Lombard and its 1 ZIP code. When you call or send a request, your ZIP code decides which company can take it.
HVAC in Lombard: what the local homes and climate mean
Census estimates put the median build year in Lombard at 1971; about 13% of homes were built before 1950. Many homes from this era still have their original ductwork. Leaky or undersized ducts can hold back a new system, so ask for a duct check with any replacement quote.
The U.S. Department of Energy places DuPage County in climate zone 5A (cool, humid). Heating carries most of the load here. If you are considering a heat pump, ask whether the model is rated for cold climates and how backup heat works. In a humid climate, ask how the system will control indoor humidity, not just temperature. Whatever the climate, ask for a room-by-room load calculation (ACCA Manual J) instead of matching the size of the old unit.
About 82% of occupied homes in Lombard heat with utility gas and 15% with electricity. Many replacement quotes will involve a gas furnace or boiler; if you are thinking about switching to an electric heat pump, ask whether your electrical panel needs an upgrade.
About 37% of homes in Lombard are in buildings with five or more units. Apartments and condos may have their own systems or share a central one, so check what your building allows before replacing equipment.
Permits and licenses in Lombard
Replacing a furnace, air conditioner or heat pump usually needs a mechanical permit and a final inspection. In Lombard, permits come from the city's building department, or from DuPage County for addresses outside city limits. Ask the company who pulls the permit, and keep a copy of it.
Illinois has no statewide general contractor license; IDFPR licenses roofing contractors. For other trades, ask your city or county building department which license applies, and ask the company for its license number.
Look up a license: Department of Financial and Professional Regulation
Questions to ask an HVAC company in Lombard
- Will you do a load calculation (ACCA Manual J) before recommending a size?
- What efficiency ratings (SEER2, HSPF2 or AFUE) does each option have?
- Who pulls the permit, and is the final inspection included?
- What warranty covers the equipment, and what covers your labor?
HVAC companies serving Lombard
Company profiles for Lombard are on the way. Call or send a request above to reach a company that covers your ZIP code.
HVAC in Lombard: questions
What climate zone is Lombard in?
DuPage County is in IECC climate zone 5A (cool, humid), per the U.S. Department of Energy's county map. Heating carries most of the load here.
How do I check an HVAC company in Lombard?
Illinois has no statewide general contractor license; IDFPR licenses roofing contractors. Ask for the company's license or registration number and look it up with the Department of Financial and Professional Regulation. Also ask for proof of insurance and get the scope in writing.
How old are homes in Lombard?
Census estimates (ACS 2020-2024) put the median build year at 1971, and about 66% of homes were built before 1980. Many homes from this era still have their original ductwork.
Do I need a permit for heating and cooling work in Lombard?
Replacing a furnace, air conditioner or heat pump usually needs a mechanical permit and a final inspection. In Lombard, permits come from the city's building department, or from DuPage County for addresses outside city limits. The company you hire usually pulls it.
How does Swupi work in Lombard?
Call or send a request with your ZIP code, and Swupi connects you with an independent HVAC company that serves your area, including nearby Villa Park, Glen Ellyn and Oak Brook. You agree on price and timing directly with that company.
Ready to talk to a local HVAC company in Lombard?
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