Step 1
Schedule a FREE in-home consultation at your convenience. We’ll assess your home’s heating needs and recommend the best system for your space.
N4A4S42 KeepRite AC
The KeepRite N4A4S42 is ideal for larger homes in Ontario that need dependable cooling day and night. It’s a great option if your current unit is underpowered or using too much energy. This model handles both open spaces and multi-room layouts with ease. Whether you’re upgrading or planning a new air conditioner installation, this unit offers the strength and reliability you need.
- Designed for homes with 4–6 bedrooms or open-concept floor plans
- Best suited for Ontario families who want powerful, quiet cooling
- Great choice if you’re replacing an older, oversized or loud unit
- Handles Ontario heat and humidity while keeping operating costs low
Description
The KeepRite N4A4S42 is a hardworking 3.5-ton air conditioner that’s built for homes that need more cooling power without sacrificing efficiency. If your home heats up fast in the summer or you’ve got a larger layout with more rooms to cool, this unit is a strong fit. It runs quietly, handles heat and humidity well, and is easy to maintain with quick access for AC servicing when needed.
At Heat Flow HVAC, we install your system with care, making sure it’s ready to deliver reliable comfort from day one.
Key Features & Benefits
- Up to 16 SEER efficiency helps keep energy bills in check
- Scroll compressor ensures quiet, steady performance
- Durable galvanized steel cabinet resists weather and corrosion
- R-410A refrigerant for better environmental safety
- Single-speed fan motor offers consistent, smooth airflow
- Built-in filter drier protects the system from moisture damage
- Service panels are simple to remove for faster repairs
- Smart thermostat ready for modern home automation
- Protected by KeepRite’s warranty coverage for peace of mind
Additional information
| Size (tons) | 3½ |
|---|---|
| Nominal Btu/hr | 42,000 |
| Volts-Phase (60 HZ) | 208-230-1 |
| Operating Voltage Range | 197-253 |
| Length x Width x Height | 47-1/2 x 34-1/4 x 34-1/4 |
| Weight lbs. | 203/181 |
Installation
HVAC Installation & Repair Services
Did you like the N4A4S42 KeepRite AC? Call Heat Flow HVAC for expert installation, repair, and maintenance tailored to your home’s needs. Call us today at (647) 847-7751 for accurate pricing and to book your FREE, no-obligation estimate. We proudly offer professional HVAC services throughout Burlington, Mississauga, Hamilton, Toronto, and surrounding areas — your comfort is our priority!
Why Choose Heat Flow HVAC?
Expert Furnace Installations
Our certified HVAC professionals specialize in seamless, code-compliant furnace installations to maximize efficiency and home comfort.
Energy-Efficient Heating Solutions
We install high-efficiency gas furnaces, delivering up to 96% AFUE to help lower your energy bills without sacrificing warmth.
Trusted Experience, Local Knowledge
With years of hands-on experience serving homes across the GTA, we understand the unique heating demands of Southern Ontario’s winters.
Top-Quality Products
We work with industry-leading brands like Goodman to ensure durable, high-performance systems backed by strong warranties and manufacturer support.
Comprehensive Warranty Protection
Enjoy peace of mind with extended warranties on equipment and labour—ask us about your options during your consultation!
Our Furnace Installation Process
Step 2
Select your furnace model and review all available features, efficiency ratings, and warranty options with our HVAC expert.
Step 3
Our licensed technicians will arrive on time and perform a safe, efficient, and professional installation—no mess, no stress.
Step 4
We’ll conduct a full system check, walk you through how to use and maintain your new furnace, and answer any questions.
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