Local service guide

HVAC Services in Baltimore: Hiring and Planning

Masters' Guild · Updated

To arrange HVAC Services in Baltimore, request a written diagnosis or replacement scope, check the responsible contractor’s credentials, and settle permit responsibility before accepting a start date. Baltimore City requires a permit for HVACR work unless the code provides an exception. For replacement equipment, confirm BGE participating-contractor rebate eligibility before signing. [1] [2]

Choose diagnosis or replacement planning

For a system that has stopped heating or cooling, request a diagnostic visit and establish what the visit charge covers. Describe when the problem began, thermostat settings, unusual sounds, visible water and any error message. Require a repair price and your approval before the technician undertakes additional work.

For a planned replacement, describe the rooms you struggle to heat or cool. Request an assessment of equipment size, ductwork, controls and installation location. If you are undecided, have the contractor price a repair option alongside replacement and explain the warranty for each.

BGE suggests considering replacement when equipment is more than 10 years old. Use that guidance to start an assessment. Have the technician explain the system’s condition and repair options before you decide to replace it. [2]

Check credentials and permit responsibility

Request the name and license number of the person responsible for the work. Maryland’s HVACR licensing page includes License Search, insurance requirements and consumer resources. Check those resources and request proof of insurance with the proposal. [4]

Baltimore City requires the Building Official to issue an HVACR permit before work begins unless the code provides an exception. The application must include the name and address of the insured, licensed contractor responsible. Have the contractor identify the applicant and include permit costs in the written scope. [1]

The cited permit rule applies to Baltimore City. Confirm your property’s jurisdiction when requesting estimates. For an address outside city boundaries, have the contractor identify the permit authority before scheduling installation. [1]

Compare complete quotes and payment terms

Request equipment model numbers and separate amounts for installation, removal, controls and proposed duct or electrical work. Have each contractor state exclusions, warranty terms, payment stages and the expected interruption to heating or cooling. Compare proposals that cover the same work.

For a repair, establish whether the contractor credits the diagnostic charge toward approved work. For replacement, request the price before incentives, each proposed rebate and your resulting payment. Keep optional improvements separate so you can choose which work to authorize.

BGE directs homeowners to select a Participating Contractor to help determine suitable eligible equipment. BGE says homeowners will see rebates reflected in the contract price after installation. Before signing, require a written explanation of the rebate amount and payment schedule. [2]

Coordinate a heat pump or fuel switch

BGE describes air source heat pumps that move heat between indoors and outdoors for heating and cooling, and ductless systems that serve rooms or zones without ducts. Request proposals that explain how the recommended option fits your room layout and installation preferences. [2]

BGE’s electrification page describes a Home Performance with ENERGY STAR route following a home audit with a Participating Contractor. Heating and cooling or heat pump water heater replacements paired with air sealing and insulation may qualify for up to $15,000 in rebates. Confirm eligibility and the qualifying scope before budgeting around that maximum. [3]

Before ordering equipment, discuss preparation work, proposed backup heat, controls and installation sequence. If you plan insulation and air sealing, establish which assessment should come first and whether the contractor will revise the equipment proposal after that assessment.

Selected SEER2 specifications for BGE qualifying heat pumps

Selected SEER2 specifications for BGE qualifying heat pumps. Data table follows.
BGE residential heating and cooling rebate program, Maryland · Program specifications retrieved October 12, 2026. These values reproduce three entries under the SEER2 heading in BGE’s qualifying equipment table. They describe program specifications, rather than observations from installed systems or a household sample. Split Tier 1 refers to the listed split-system Tier 1 air source heat pump category. The other entries refer to ductless multi-zone and single-zone heat pumps. Use them when discussing an equipment proposal; they do not establish installation prices, household savings or full rebate eligibility. BGE also lists HSPF2 requirements and requires AHRI-rated equipment except smart thermostats. [2]
Selected SEER2 specifications for BGE qualifying heat pumps (SEER2)
ItemValueSource
Split Tier 115.2 [2]
Ductless multi-zone15.5 [2]
Ductless single-zone18 [2]

Local details that affect your job

Baltimore City permits affect your start date

The city requires an issued HVACR permit before work unless a code exception applies. Its application must identify the responsible insured, licensed contractor. Before accepting a start date, obtain the contractor’s permit plan or the specific exception claimed for your scope, and record who will apply. [1]

BGE participation affects contractor selection

For your home’s BGE residential heating and cooling rebate project, choose a Participating Contractor and confirm eligible equipment with that contractor. BGE says homeowners see rebates reflected in the contract price after installation. Document participation, the proposed rebate and payment timing before accepting the offer. [2]

Choose the next step for your project

Your situationNext stepQuestion for the contractor
System has stopped workingRequest diagnosis and a written repair optionWhat does the visit charge cover, and what requires my approval?
Planning replacement in Baltimore CityObtain an installation proposal and permit planWho applies for the permit, or which code exception applies?
Seeking BGE equipment rebatesConfirm Participating Contractor status and equipment eligibilityHow will you reflect the rebate in my contract price?
Switching fuel and planning air sealing and insulationDiscuss BGE’s home-audit and combined improvement routeDoes my scope qualify, and which assessment should happen before ordering?
[1] [2] [3]

Your hiring checklist

  1. Record equipment model numbers, symptoms, error messages and rooms with comfort problems.
  2. Confirm the diagnostic charge and approval process for additional repairs.
  3. Request the responsible contractor’s name, license number and proof of insurance.
  4. Obtain a written permit plan or the specific exception claimed for your scope.
  5. Compare equipment models, installation work, exclusions and warranties.
  6. Have the contractor document proposed incentive eligibility and payment timing.
  7. Agree on access, delivery, service interruption and cleanup before the visit.

Frequently Asked Questions

Does HVAC work require a Baltimore City permit?

The city requires a permit before HVACR work begins unless the code provides an exception. Have your contractor identify the requirement or exception for the proposed work and name the person responsible for the application. [1]

How do I check the contractor’s credentials?

Request the responsible person’s name and license number. Maryland’s HVACR licensing page includes License Search and insurance requirements. Use those resources and request proof of insurance before accepting the proposal. [4]

Can I rely on a BGE rebate when comparing quotes?

Confirm eligibility with a Participating Contractor first. BGE says homeowners see heating and cooling rebates reflected in the contract price after installation. Obtain the eligible equipment models, proposed rebate amount and payment schedule in writing. [2]

Should I arrange a home audit before switching equipment?

Discuss an audit before ordering if you also plan air sealing and insulation. BGE describes potential combined-project rebates after a Participating Contractor’s home audit. Have the contractor explain which program route fits your proposed work. [3]

Sources and scope

This guide combines the sources below with practical planning guidance. Figures apply to the stated geography and period; request a written quote for your property.

  1. Section 2802. PermitsCity of Baltimore Law Library · Baltimore City, Maryland · Checked 2026-10-12
  2. Heating and CoolingBaltimore Gas and Electric · BGE residential program service area, Maryland · Checked 2026-10-12
  3. Making the switch to electricBaltimore Gas and Electric · BGE residential program service area, Maryland · Checked 2026-10-12
  4. Licensing - Heating, Ventilation, Air Conditioning and Refrigeration ContractorsMaryland Department of Labor · Maryland · Checked 2026-10-12
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