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Furnace Replacement in Catonsville, MD

Find trusted professionals, understand costs, and track repairs in PropDoctor

Cost Range

$2,125–$5,950

Local Pros

124 available

Overview

Replace your aging or failed furnace with a new high-efficiency unit. Modern furnaces achieve 95-98% efficiency compared to 60-80% for older models, significantly reducing heating costs.

Catonsville Climate Considerations (mixed humid)

  • Heat pump efficiency drops below 30°F
  • Ductwork condensation in summer
  • Filter neglect (dual-season use)

Common Signs You Need Furnace Replacement

  • Furnace is 15-20+ years old
  • Cracked heat exchanger detected
  • Repair costs exceed 50% of new unit
  • Yellow or flickering pilot flame
  • Rising heating bills despite maintenance
  • Inconsistent heating

Furnace Replacement Cost in Catonsville

Low

$2,125

Average

$4,038

High

$5,950

See detailed cost breakdown →

When to Call a Professional

Call a professional when:

Furnace replacement involves gas line connections, combustion venting, electrical work, and precise sizing. Always hire a licensed HVAC contractor.

Maryland licensing: hvacs are required to be licensed in Maryland.

Hvacs in Catonsville

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View all 124 hvacs in Catonsville

Catonsville Housing Market

Median Home Price

$550,000

Homes for Sale

3

Price per Sq Ft

$316

Local Pros

600

Home Service Professionals Near Catonsville

lender 101Agents 95multimedia_specialist 82Landscapers 78Roofers 65Movers 65Flooring 57Cleaners 57

Median Household Income

$110,051

Median Home Value

$405,800

Median Rent

$1,697/mo

Homeownership Rate

69.3%

Population

42,717

Median Year Built

1964

Source: U.S. Census Bureau, ACS 2023 5-Year Estimates

Track This in PropDoctor

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Replacement
PropDoctor

Furnace Replacement

Date

April 2026

Cost

$4,038

Vendor

Your local pro

Warranty

10-year material warranty

Catonsville average: $2,125$5,950

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

Furnace unitVent pipeGas connectorCondensate line (high-efficiency)

Warranty Details

10-year material warranty

Auto-Checkup Created

"Furnace Inspection" — every 12 months

Added by youApril 2026

Property Health Score

Good

89

hvac category +18 pts(7189)

Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25

Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

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Maintenance Plan for Catonsville

PropDoctor

Recommended Maintenance Plan — Catonsville, Maryland

Climate: Mixed-Humid Temperate

Key Risks

  • Heat pump efficiency drops below 30°F
  • Ductwork condensation in summer
  • Filter neglect (dual-season use)
  • High heat & humidity spells
  • Ice storms

Schedule

Every 6 months

Visual inspection (DIY)(DIY)

every 12 months

Professional furnace replacement

Estimated: $2500–$7000

After major storms

Emergency inspection for damage

Estimated: $100–$300

Year 10–15

Plan for full replacement

Estimated: $7,500–$21,000

Find Help with SmartSearch

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Find a HVAC tech near me

I found 124 HVAC technicians in your area. Here are the top results:

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Professionals Found
124 results
SM

Smith & Sons

Connected

HVAC technician

4.9(47)
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JR

J&R Home Services

HVAC technician

4.7(23)
From $95/hr
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HVAC technician
Title:HVAC tech
Category:HVAC technician
Date:2026-04-03
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Related Services in Catonsville

Maryland Regulations

Building Code: IRC 2021

Seller Disclosure: Sellers must complete a Residential Property Condition Disclosure and Disclaimer Statement.

Natural Disaster Risks: Hurricanes, Flooding, Nor'easters

Frequently Asked Questions

How much does furnace replacement cost in Catonsville, MD?
Furnace Replacement in Catonsville typically costs between $2,125 and $5,950. Factors that affect cost include Furnace size (BTU capacity), Efficiency rating (AFUE), Gas vs electric. Catonsville-area costs reflect the local market.
Do hvacs need a license in Maryland?
Yes, Maryland requires hvacs to be licensed. Always verify your contractor's license before hiring. Maryland follows IRC 2021 building codes.
Should I hire a professional for furnace replacement?
Furnace Replacement is generally recommended as a professional service. Furnace replacement involves gas line connections, combustion venting, electrical work, and precise sizing. Always hire a licensed HVAC contractor..
What hvac problems are common in the Catonsville area?
Due to the mixed humid climate in Catonsville, common issues include: Heat pump efficiency drops below 30°F; Ductwork condensation in summer; Filter neglect (dual-season use). Regular maintenance can prevent many of these problems.
When is the best time for furnace replacement in Catonsville?
In Catonsville's mixed humid climate, summer poses the highest risk with High heat & humidity spells and Hail damage. Schedule furnace replacement before summer to avoid emergency rates and longer wait times.
How does Catonsville's weather affect home hvac needs?
Catonsville experiences 45" of annual rainfall, 15" of snowfall, 40 freeze-thaw cycles per year, which directly impacts furnace replacement requirements. The area is in USDA hardiness zone 7a. These conditions mean homeowners should budget for more frequent inspections and preventive maintenance.

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