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DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit
DIY 5th Gen·DIY InstallOutdoor Unit Only

DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit

Component — Not a Complete System

This is the outdoor unit only. To run, you also need a matching indoor air handler and a refrigerant line set. Looking for the complete system instead? Browse complete 12,000 BTU systems.

SKU DIYHH-12-HP-C-230D25-O

12,000 BTUup to 600 sq ft208-230
$1,843.00
Pay over time withAffirmaffirmKlarnaKlarna— see your options at checkout.

With Incentives

Save up to $1,106
Sticker price$1,843
− Federal 25C tax credit (30%)−$553
− Est. state/utility rebateup to −$922
Effective costas low as $737

Hyper Heat cold-climate model — automatically meets CEE Tier 2. Find your state's rebate

In Stock — Ships within 1-3 days

Customize it — compatible add-ons only

Wall bracket or rubber risers lift the condenser above snow, mud, and runoff.

Clean channel for the lines running down your exterior wall.

Tool kit, hole saw, and wrench — everything the self-install calls for.

Maintenance kit and coil cleaner keep efficiency (and the warranty) healthy.

7-year warranty · Covers up to 600 sq ft
Ships nationwide · exact freight at checkout · Ships in 1-3 business days
30-day returns on unopened products · See policy
Secure checkout:Visa · Mastercard · Amex · Discover
Limited Lifetime Compressor Warranty7-Year Unit Replacement (Compressor) Warranty5-Year Parts Warranty

MrCool DIY factory warranty — register after install to activate the full coverage tiers.

Sizing Help

Not sure if 12K BTU is right for your space?

Proper sizing prevents short-cycling, high bills, and premature failure. Our sizing tool takes 60 seconds.

Match My SpaceOr call (657) 582-0899

Description

DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit

What's in the Box

Here's what you'll receive with your order

Outdoor Condenser Unit

Heat pump condenser with Gold Fin anti-corrosion coating

Installation Hardware

Mounting brackets and hardware kit

Owner Manual

Installation and operation guide

DIY Install — No HVAC license required
Patented Quick Connect® fittings
No vacuum pump needed
Energy Star certified
7 Years compressor warranty
Compressor: 7 Years warrantyParts: 5 Years warranty

DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit — Model Details

What this specific model is sized for, how it installs, how it performs, and what it costs to run.

Room & Space Coverage — 12,000 BTU

The DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit delivers 12,000 BTU of cooling and heating capacity, sized for spaces up to 600 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit is ideal for bedrooms, home offices, sunrooms, and single-room additions up to the stated square footage. Rooms with one exterior wall and average shading sit comfortably in the middle of the coverage range.

Power & Electrical Requirements

Power requirement: 208-230V (standard US residential 240V service).

Install Difficulty — DIY-Friendly

This DIY-series system ships with a pre-charged Quick Connect line set — no HVAC license, no vacuum pump, no refrigerant gauges. The pre-charged fittings use a hand-tightened mechanical seal that a homeowner completes in 15 minutes per connection. Typical install time from unboxing to first cool air is 4–8 hours for a single-head system.

Product Details

DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit

Frequently Asked Questions

Everything you need to know about this product

What size room will the DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit cool?

At 12,000 BTU this unit is sized for rooms up to 600 sq ft under standard 8-ft ceilings with average insulation. Add 10–20% for sun-exposed rooms, poorly insulated spaces, or ceilings above 9 ft.

Can I install this myself without an HVAC license?

Yes — the DIY series uses pre-charged Quick Connect line sets that tighten by hand. No vacuum pump, no refrigerant handling, no EPA 608 certification required. Most single-zone installs take 4–8 hours. You may still need a permit and an electrician for the 240V circuit, depending on local code.

What electrical circuit do I need for installation?

208-230V dedicated circuit with the disconnect within sight of the outdoor unit per NEC 440.14. An electrician will size the breaker based on the minimum circuit ampacity shown on the nameplate. Budget $400–$900 for a new dedicated 240V circuit if one isn't already present.

How fast does HVACZAR ship this unit?

Shipping is calculated at checkout from the order weight, and you see the exact charge before paying. In-stock SKUs leave the warehouse within 1–3 business days. Transit time is 3–7 business days via truck freight (with liftgate delivery) for outdoor units and UPS Ground for accessories. Tracking is emailed at pickup.

What if it arrives damaged or I change my mind?

Inspect the unit before signing for freight delivery. If there is visible damage, note it on the delivery receipt and refuse the shipment — we ship a replacement at no cost. Unopened and unused units can be returned within 30 days for a refund less outbound shipping.

What is the warranty on the DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit?

The DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit comes with a 7-year manufacturer warranty when purchased from HVACZAR, an authorized MrCool dealer. Register your unit after purchase to activate full warranty coverage.

How long does shipping take?

Shipping is calculated at checkout from the order weight. Most MrCool systems ship within 1-3 business days and arrive in 3-7 business days via FedEx, UPS, or truck freight with liftgate delivery.

What size room does 12,000 BTU cover?

A 12,000 BTU unit is sized for rooms up to 600 sq ft. Proper sizing depends on ceiling height, insulation, climate zone, and window exposure. Use our system finder for a precise recommendation.

Do you offer returns?

Yes. HVACZAR offers a 30-day return policy on unopened, unused products in original packaging. Contact us to initiate a return and receive a return authorization number.

How can I pay?

We accept all major credit cards (Visa, Mastercard, American Express, Discover) via Stripe secure checkout. All transactions are encrypted and protected.

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Ships Nationwide — Shop by State

We deliver the DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.

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