Morton Furnace Repair · Collierville, TN
Furnace Repair in Germantown, TN Homes
Older Germantown houses, county permits, and one call to us for furnace help.
Germantown sits west of Collierville, yet its houses are older: the median year built is 1983, against 1998 in Collierville. Gas heats 65.7% of Germantown's 15,568 occupied homes. One utility supplies that gas and the power too, and its 2025 incentive policy names Germantown inside its service area.
Venting depends on the furnace type. An 80% AFUE furnace vents as Category I through metal or Type B pipe, per the manufacturer's manual. A 90%-plus model needs PVC or ABS pipe and a condensate trap.
Older houses make the vent the first question on a furnace replacement. The local heating and cooling company we reach for you inspects the existing vent before it plans the job. Ask whether your vent suits an 80% or a 90%-plus furnace when you call.
Germantown Facts and Offices
A Germantown address deals with the county code office for permits and with one utility for gas and power. We know Germantown leaves house inspections to the county, so a City permit desk is the wrong first stop for furnace work.
| County | Shelby County |
|---|---|
| Government | Incorporated city (City of Germantown) |
| ZIP codes | 38138, 38139 (the second also reaches a small western part of Collierville) |
| Permit office | Memphis and Shelby County Office of Construction Code Enforcement |
| Natural gas | Memphis Light, Gas and Water |
| Electricity | The same utility as gas |
| Gas emergency line | The utility's Emergency Line, (901) 528-4465; the City of Germantown lists 911 for gas leaks |
| Home heating | Gas heats 65.7% of occupied homes and electricity 33.0% (Census Bureau data, 2020 to 2024) |
| Housing | Median year built 1983; 16,106 housing units; 83.6% detached; 86.7% owner occupied |
| Landmarks |
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Furnace or AC trouble in Germantown?
(901) 613-0388Is a Furnace in a 1983-Era Germantown House Safe to Keep Running?
Not until tests say so: your HVAC company checks the heat exchanger, the flue, and the safety controls first. The EPA lists leaking furnaces and blocked or disconnected flues among carbon monoxide sources. The CPSC urges a yearly professional inspection of fuel-burning heating systems, flues included, and we recommend that check for a 1983-era furnace.
Ask which readings fell outside the manufacturer's range when you call.
Germantown Furnace Permits Come From the County Code Office
The City of Germantown leaves residential inspections to the county. Its code office issues the permits, with inspections booked in the Develop901 portal. Its adopted codes are the 2021 IRC, mechanical code, and fuel gas code, plus the 2018 IECC and the 2020 NEC.
That office follows city and county limits, not the mailing ZIP. Germantown addresses use 38138 and 38139, and the second also reaches a small western part of Collierville. The Town of Collierville issues permits in that part, so we suggest checking the city named on your tax bill.
Homes in Cordova, TN go to the same county office as Germantown. Ask your HVAC company whether a furnace swap or an AC replacement at your address goes to the county or the Town.
Tell a local HVAC company the age of your Germantown house, and ask which readings it takes on an older furnace.
(901) 613-0388Can a Germantown Homeowner Pull the Furnace Permit Without a Contractor?
No. The county code office requires a licensed or registered contractor for all mechanical work, owners included. Its rules require state-licensed contractors to register there, and we note that the county's 2021 mechanical code amendments bar unlicensed mechanical contractors from licensed work.
Ask your HVAC company for its county registration or license number when you call.
Germantown Situations Your HVAC Company Handles
These 3 situations come from Germantown's older housing, its single utility, and county code amendments.
| What you notice | What your HVAC company does |
|---|---|
| The burners light, then shut off before the house warms. | Your HVAC company tests the flame sensor, which proves flame, and the pressure switch during gas furnace repair, in the sequence the manufacturer's manual sets. |
| You plan to put furnace or AC equipment in the attic. | The county's 2021 code amendments call for attic access by pull-down stairway, permanent ladder, or permanent stairway. Permit basics sit on our furnace and AC questions page. |
| Your older R-410A central AC stops cooling. | EPA rules let existing R-410A systems stay in use and be repaired. Your HVAC company checks the refrigerant charge during AC repair. |
Who Takes a Germantown Gas Leak Call, 911 or MLGW?
Both: the City of Germantown lists 911 for gas leaks, and the utility's Emergency Line is (901) 528-4465. The utility tells customers to call from another location and stay out until it says re-entry is safe. It also says to avoid switching lights or appliances or using matches.
After the utility's visit, ask the HVAC company you reach about its burner and gas valve checks.
Furnace and AC Work in Germantown Homes
You can call about these 6 jobs at a Germantown house. Since the median house here dates to 1983, we put a vent and heat exchanger check on your list alongside any repair.
- Furnace Safety Inspection
Flue and heat exchanger checks in 1983-era houses.
- Furnace Not Turning On
Ignition and power checks when the furnace stays off.
- Furnace Maintenance
The manual's yearly inspection and the CPSC's flue check, plus the monthly filter task that stays with you.
- Furnace Repair Cost Factors
See the 5 factors that set a Collierville repair price before you call.
- Furnace Blowing Cold Air
Why the blower runs with the burners off, and the limit and airflow tests a local HVAC company runs.
- Furnace Short Cycling
What a high-limit shutoff means, the airflow and flame checks behind it, and when sizing enters the repair.
Neighboring Areas
- Eads, TN
Unincorporated and split by a county line, so your side sets the permit office and the gas supplier.
- Piperton, TN
A city east of Collierville with its own Building Department and separate gas and power suppliers.
- Rossville, TN
A small town with its own permit office at 360 Morrison, where gas heats 82.2% of homes.
Before you dial
Questions Before You Call
Open any question below for its answer
Does Tennessee's Landlord Act Cover Germantown Rentals?
Yes, Shelby County's 2010 census count of 927,644 clears the act's 75,000-person line. The act names heat as an essential service, with written notice to the landlord first. Your HVAC company writes down the failed part and the repair for the owner's file.
Does MLGW Pay Rebates on a Germantown Furnace or AC?
No, the utility runs no furnace rebate or AC rebate of its own. The federal 25C credit ended for equipment placed in service after December 31, 2025. Ask the HVAC company to price the job with neither one assumed.
Do Collierville Permits Apply to a Collierville Home With a Germantown Mailing Address?
Yes, a home inside the Town of Collierville follows the Town's Building and Codes Division, whatever the mailing city says. The Town requires a permit for a mechanical change-out. Tell your HVAC company which city your property tax bill names.
What Does the City of Germantown Code Office Handle?
The City's Economic and Community Development department, at 1920 South Germantown Road, lists a Chief Code Compliance Officer at (901) 751-7636. Residential building permits and inspections still go to the county code office. Ask the company which office it files with.
This page relies on 31 public documents, such as records from US Census Bureau, CPSC, and US EPA. Find each one and its check date in the records behind each page list.
Morton Furnace Repair
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