Multifamily & Commercial

Engineered for efficiency.
Backed by rebates.

Hot Swap is the turn-key design and installation partner for multifamily, senior living, hospitality, healthcare, and commercial properties. We help owners find the highest-performing domestic hot water equipment for their building, capture every utility and state rebate it qualifies for, and handle the install end-to-end.

$20M+
Rebates delivered
1,000+
Projects installed
98%
System efficiency

Case Studies

Named projects, recognizable brands.

See all case studies →

Regulatory timeline

The compliance clock is running.

Federal and state rules tightening efficiency and emissions standards for commercial water heating begin phasing in starting 2026. Rebate pools are funded annually and routinely exhausted ahead of schedule. Properties that move now lock in the highest value incentives and avoid scrambling to comply later.

Jan 2026
SoCal AQMD Rule 1146.2 zero NOx Phase 1 in effect
Oct 2026
DOE federal commercial DHW efficiency rule (95 to 96% TE, condensing required)
2027
Mid phase deadlines for larger units & CA electrification mandate
Jan 2033
SoCal AQMD full zero emission compliance for all building water heaters
Learn more about regulatory compliance →

National footprint

From California coast to Florida sun.

Hot Swap operates regional teams across multiple states to ensure regional market knowledge and oversight.

US map highlighting Hot Swap operating states

How It Works

Our simple turn-key process.

1

Audit

  • Physical inspection
  • Existing water heater data
  • Electrical capacity
  • Existing plumbing conditions
2

Development

  • System sizing
  • Technology selection
  • Utility rebates & incentives
  • Volume pricing
3

Pre-Con

  • Rebate pre-approval
  • Plans and permitting
  • Procurement
  • Install planning
4

Construction

  • Installation
  • Project management
  • Permit final
  • Final rebate coordination

What partners say

Trusted by owners and operators.

"Hot Swap took it from a stalled capex line item to closed-out, paperwork and all. The rebate alone covered our project management overhead."
— Asset manager, multifamily portfolio (200+ units)
"They run their own crews and they handle the rebate forms themselves. Two things every other vendor we evaluated punted on."
— Director of operations, senior living

Trusted by

Operators and owners that have chosen Hot Swap.

Multifamily

  • Equity Residential
  • Irvine Company

Hospitality

  • Motel 6
  • Ramada

Healthcare

  • United Healthcare
  • Optum Healthcare

Grocery

  • Ralphs
  • Superior Grocers
  • Food 4 Less

Education

  • UC Irvine

Frequently asked

Common questions from owners and operators.

Straight answers to the questions our multifamily and commercial clients ask most often.

What types of multifamily properties does Hot Swap work on?
Hot Swap specializes in multifamily and commercial hot water upgrades for apartment communities, senior living facilities, student housing, hotels, mixed use developments, and large residential portfolios. We handle everything from simple boiler replacements to complex central plant conversions and phased occupied property retrofits.
Can Hot Swap complete projects without disrupting tenants?
Yes. Our team specializes in occupied multifamily projects and temporary hot water solutions that minimize disruptions for residents. We carefully coordinate scheduling, phasing, and temporary systems to help maintain hot water service during construction whenever possible.
Does Hot Swap help with utility rebates and incentive programs?
Absolutely. We identify available utility rebates, tax incentives, and energy efficiency programs that may significantly reduce project costs. Our team also assists with rebate paperwork, pre approvals, and final documentation.
What types of commercial hot water systems does Hot Swap install?
We install high efficiency tankless systems, commercial boilers, heat pump water heaters, hybrid systems, central plants, recirculation systems, and custom engineered domestic hot water solutions for multifamily and commercial properties.
Can Hot Swap manage permitting and inspections?
Yes. Hot Swap handles permitting, coordination, inspections, compliance requirements, and project management from start to finish. We work directly with local jurisdictions, engineers, utilities, and property teams to simplify the process.
Does Hot Swap provide free site audits?
Yes. We offer comprehensive site audits for multifamily and commercial properties. Our audits include equipment evaluation, system recommendations, energy efficiency opportunities, rebate analysis, and a customized action plan.
What are the benefits of upgrading to a high efficiency hot water system?
Upgrading can help reduce operating expenses, lower energy consumption, improve system reliability, increase tenant satisfaction, reduce maintenance costs, and help properties meet sustainability and compliance goals.
Can Hot Swap replace aging boiler systems in apartment communities?
Yes. We specialize in replacing outdated and inefficient boiler systems in multifamily properties. Our team can design and install modern high efficiency systems that improve performance and reduce long term operating costs.
Does Hot Swap work with property management companies and ownership groups?
Yes. We regularly work with property management companies, REITs, ownership groups, facility managers, and asset managers on both single property and portfolio wide upgrade programs.
How long does a commercial water heater replacement project take?
Project timelines vary depending on system size, permitting, and complexity. Some projects can be completed in a day, while larger multifamily central plant upgrades may require phased construction over several weeks. We provide detailed timelines during the planning process.
Does Hot Swap offer temporary hot water systems during construction?
Yes. Hot Swap can provide temporary hot water systems to help maintain resident comfort and minimize downtime during installation or equipment replacement.
Can Hot Swap help properties meet energy efficiency or electrification goals?
Yes. We help multifamily and commercial properties transition to high efficiency and electrified systems that support sustainability initiatives, utility compliance, ESG goals, and future energy regulations.
What areas does Hot Swap serve?
Hot Swap serves multifamily and commercial properties throughout California and is rapidly expanding into other states and markets. Contact our team to discuss your property location and project needs.
Why should property owners choose Hot Swap?
Hot Swap combines technical expertise, utility rebate knowledge, project management experience, and tenant focused execution. Our team is experienced in handling both straightforward replacements and highly complex occupied property upgrades.
How can I schedule a commercial or multifamily site audit with Hot Swap?
You can contact Hot Swap to schedule a free comprehensive site audit. Our team will evaluate your current system, identify upgrade opportunities, review available rebates, and provide a customized action plan for your property.

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