KeepRite ProComfort™ Series C4A3 Review

KeepRite ProComfort™ Series C4A3 Review

SEER: Up to 13
ENERGY STAR ®: No
Decibel Level: As low as 71
Compressor Type: Single-Stage
Price: $2800 – $4500
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❄️KeepRite C4A3 Air Conditioner Review

This KeepRite C4A3 Air Conditioner Review looks at one of KeepRite’s former budget-friendly central air conditioners, designed for homeowners who want basic, reliable cooling at the lowest possible cost.

As part of the ProComfort™ lineup, the C4A3 focuses on durability, low maintenance, and quiet operation, rather than advanced efficiency or smart features—making it best suited for smaller homes, cottages, or mild Canadian climates.

⚠️ Discontinued Model
The KeepRite C4A3 Air Conditioner appears to be discontinued by the manufacturer. However, limited inventory may still be available through select distributors or HVAC contractors across Canada.


⭐ KeepRite C4A3 — In a Nutshell

  • Price range (installed): $2,800 – $4,500

  • SEER: Up to 13

  • EER: Up to 11

  • Compressor type: Single-stage scroll

  • Sound rating: As low as 71 dB

  • ENERGY STAR®: No

  • Status: Discontinued

  • Best for: Budget-conscious homeowners

  • Why consider it: Low upfront cost and solid reliability


🧊 KeepRite C4A3 at a Glance

Average installed price: $2,800 – $4,500

Key Features

  • Single-stage scroll compressor

  • R-410A environmentally friendly refrigerant

  • Sound-reduction technology

  • Summer dehumidification mode

  • Reinforced cabinet construction

  • Tight wire grille for coil protection


💡 Key Benefits

  • Affordable entry-level central air conditioner

  • Scroll compressor offers quieter operation than older piston designs

  • Durable cabinet resists debris and weather damage

  • Lower repair complexity compared to advanced systems

  • Simple thermostat compatibility

  • Adequate cooling for mild Canadian summers


🏆 The Bottom Line

The KeepRite C4A3 Air Conditioner Review is a no-frills air conditioner that delivers reliable cooling at an affordable price. While it doesn’t offer all the bells and whistles of higher-end models, it includes features to improve efficiency and comfort, such as:

  • Scroll compressor: operates quietly and reliably

  • Sound reduction technology: soft-mounted compressor and acoustic-absorbing compressor blanket

  • Summer dehumidification: reduces balminess on hot days

This model is ideal for budget-conscious homeowners who want dependable cooling without unnecessary features.


⚙️ Product Specifications

Feature Details
Compressor Single-stage scroll
SEER Up to 13
EER Up to 11
Refrigerant R-410A
Sound Rating As low as 71 dB
Tonnage Typically 1.5 – 5 tons
Status Discontinued

🛠️ Design & Performance Features

⚙️ Core Performance & Efficiency

  • Scroll compressor provides steady, reliable cooling

  • Summer dehumidification reduces indoor humidity

  • Two-speed fan motor on most sizes (except 2–2.5 ton models)

  • Suitable for light to moderate cooling demand

🛡️ Design, Protection & Serviceability

  • Heavy-duty exterior finish resists corrosion

  • Reinforced corner posts reduce cabinet damage

  • Tight wire grille allows airflow while protecting coils

  • Built-in filter drier keeps contaminants out of the system

  • Easy coil access for cleaning and maintenance


🧾 Warranty Coverage

Registered warranty coverage:

  • 10-year limited parts warranty

  • 1-year No Hassle Replacement™ warranty

This includes coverage for major components such as the compressor and coil.

⚠️ Warranty terms depend on registration and remaining inventory age, so coverage should be confirmed before purchase.


➕ Pros & Cons

Pros

  • Very affordable upfront cost

  • Simple, reliable design

  • Quiet for an entry-level unit

  • Durable cabinet construction

  • Low maintenance requirements

Cons

  • Discontinued model

  • Low SEER rating by modern standards

  • No ENERGY STAR® certification

  • Limited energy savings

  • No smart thermostat support


🔍Comparable Models By KeepRite

1.Feature Comparison:C4A3 vs CSA5 ProComfort

Compared to other models in the ProComfort™ line, the C4A3 lacks advanced features such as Wi-Fi connectivity, which is available on the CSA5 and CSA6 models. These models allow remote system access and smart controls that the C4A3 cannot offer.

Feature C4A3 CSA5
SEER 13 15
ENERGY STAR No Sometimes
Smart Controls No Optional
Availability Limited Current

Summary: CSA5 offers better efficiency and modern support.

2.Price Comparison:C4A3 vs. CVA9

The C4A3 is designed for budget-conscious homeowners, with a lower purchase price than premium models like the CVA9. However, its SEER rating is lower, meaning it may not deliver the same long-term energy savings as higher-tier units.

Feature KeepRite C4A3 KeepRite CVA9
Tier Budget / Entry-Level Premium
Average Installed Price $2,800 – $4,500 $5,500 – $7,500+
SEER Rating Up to 13 Up to 19
Compressor Type Single-stage Variable-speed
ENERGY STAR® No Yes
Long-Term Energy Savings Lower Much higher
Best For Small homes, tight budgets Large homes, high efficiency needs

Summary:
The C4A3 costs less upfront, but the CVA9 delivers significantly better efficiency, quieter operation, and long-term energy savings—especially for larger Canadian homes.

3.Tier Comparison:C4A3 vs CSA6 Ion 16

As a mid-tier ProComfort™ model, the C4A3 trades advanced features (like occupancy sensors and smart controls) for affordability, durable construction, and quieter operation. For homeowners who prioritize reliability and basic cooling performance at a lower cost, it remains a solid choice.

Feature C4A3 Ion 16
SEER 13 16
Compressor Single-stage Single-stage
Warranty Basic Replacement
Rebates No Yes

Summary: Ion 16 is far more future-proof for Canadian homes.


✅ Final Thoughts

The KeepRite C4A3 Air Conditioner Review is a budget-first air conditioner that made sense when energy standards were lower. While it can still serve as a short-term or replacement option, it no longer aligns with modern efficiency expectations in Canada.


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📍Top Cities We Serve Across Canada

We proudly help homeowners across Canada compare AC get installation quotes, and connect with trusted HVAC contractors.

Top service cities include:

Whether you’re replacing an old HVAC system or comparing installation quotes, our certified contractors serve all major regions across Ontario and beyond.

👉 Explore more service locations here


🏆 Our HVAC Partners Are Members of Leading Canadian Associations

We work with installers who are members of:

These affiliations ensure certified workmanship, safety compliance, and consistent installation quality across the country.


💰What Affects Air Conditioner Pricing?

Air conditioner installation costs in Canada vary based on:

Home size & AC capacity – Bigger homes need larger units.
→ Learn more: HVAC Sizing

Installation complexity – Electrical upgrades, line sets, or duct fixes add cost.
→ Find installers: Find a Company

Location & contractor rates – Prices vary by province and local labour costs.
→ Explore brands: A/C Manufacturers

Repair vs. replacement – Full replacements cost more than simple fixes.
→ Service areas: Cities We Serve


⭐ KeepRite C4A3 Air Conditioner Review – FAQs

Is the KeepRite C4A3 good for Canada?
Yes, for small homes or mild climates, but newer models are more efficient.

Is it ENERGY STAR® certified?
No, the C4A3 does not qualify for ENERGY STAR or most rebates.

Is the C4A3 discontinued?
Yes, but limited stock may still be available through contractors.

How loud is it?
Around 71 dB, typical for entry-level single-stage ACs.

Should I buy it today?
Only if priced well; newer 15–16 SEER models offer better value.


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