Top HVAC Legacy System Modernization Companies

Discover Legacy System Modernization companies serving the HVAC industry. Compare services, pricing, and capabilities to find the right partner on Edverise.

How this list is built

We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

4,482 Companies

Top HVAC Legacy System Modernization Companies

Apps Lobby
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Apps Lobby is a leading provider of customized web and mobile software development, serving clients globally. Key highlights include: * Over 15 years of experience * A team of more than 100 dedicated developers * Clients from 21 different countries * Over 400 projects successfully completed Our expe
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Indore, Madhya Pradesh, In
Services Provided+9 Services
10% Mobile App Development (iOS & Android)
7% Custom Web Application Development
3% E-Commerce Development
5% Backend Development
AI Summary
“Apps Lobby delivers customized web and mobile software solutions worldwide, leveraging 15+ years' expertise across technologies like React.js, IoT, AI, and blockchain with a skilled 100+ team.”
Oriental Tech Solutions
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Oriental Tech Solutions has gained recognition as a top IT company specializing in Mobile Applications, Desktop Software, Web Services, Digital Marketing, and the Gaming industry. Our primary goal is to ensure your satisfaction. We bring together a team of passionate professionals dedicated to turni
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Lahore, Pk Punjab, Pk
Services Provided+15 Services
7% Mobile App Development (iOS & Android)
2% E-Commerce Development
5% Custom Web Application Development
3% Blockchain & Web3 Development
AI Summary
“Oriental Tech Solutions is a versatile IT firm specializing in software development, digital marketing, gaming, AI, blockchain, and metaverse technologies, delivering innovative, client-focused digital solutions worldwide.”
Web Idea Solution
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Web Idea Solution is a specialized IT service provider committed to offering advanced digital solutions through a client-focused approach. Our high-quality IT services cater to the varied needs of startups, enterprises, and organizations across multiple sectors. For more than ten years, our team has
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Newtown, West Bengal, In
Services Provided+14 Services
8% Custom Web Application Development
6% Mobile App Development (iOS & Android)
5% E-Commerce Development
3% Backend Development
AI Summary
“Web Idea Solution delivers innovative IT services including custom web and mobile app development, UI/UX design, e-commerce, and digital marketing, leveraging emerging technologies to support diverse industries.”
Sutra Forge
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
SutraForge is an elite web development and AI integration studio located in Mysore, Karnataka, India. We create high-performance, tailor-made websites utilizing React and Next.js for businesses throughout India, ranging from local shops and restaurants to well-funded startups and global brands. Our
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
Mysuru, Karnataka, In
Services Provided+5 Services
20% Custom Web Application Development
5% Mobile App Development (iOS & Android)
13% API Development & Integration
10% E-Commerce Development
AI Summary
“SutraForge is a Mysore-based studio specializing in custom, high-performance web development and AI integration, delivering tailored solutions like e-commerce and automation tools to diverse Indian clients.”
Quantique Minds
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We offer a range of products and services created by skilled AI developers, providing comprehensive solutions from start to finish.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Services Provided+2 Services
20% Machine Learning Model Development
5% AI Strategy & Roadmap Consulting
8% Legacy System Modernization
17% Custom Web Application Development
AI Summary
“Quantique Minds delivers comprehensive AI-driven products and services developed by expert teams, offering end-to-end solutions that meet diverse business needs efficiently and effectively.”
iTinkers
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We provide a comprehensive array of services, including consultations, website evaluations, and the creation of websites from scratch. With more than a decade of experience in designing, developing, and managing websites for medium-sized enterprises, we understand what is effective and what generate
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Oviedo, Asturias, Es
Services Provided+5 Services
15% Custom Web Application Development
2% Legacy System Modernization
17% Other IT Consulting and SI
7% Product UX Strategy
AI Summary
“iTinkers specializes in comprehensive web solutions, offering consultations, evaluations, and custom website development with over a decade of experience serving medium-sized enterprises.”
Digicode
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Digicode is a specialized software development company based in Dallas, Texas, that creates custom software, mobile applications, and advanced global technologies. With development centers located in the US, Costa Rica, Israel, and Ukraine, our team is currently dedicated to building mobile applicat
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
250-999
Employees
Plano, Texas, Us
Services Provided+14 Services
6% Custom Web Application Development
9% Mobile App Development (iOS & Android)
4% API Development & Integration
5% ERP & CRM Development
AI Summary
“Digicode is a global software development company specializing in custom mobile and web applications, payment systems, CRM and ERP solutions, leveraging expertise across multiple platforms and technologies.”
KRAFNEXT
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
**Creating Smart Digital Enterprises** At KrafNext, we assist organizations in transforming into intelligent, scalable digital enterprises designed for smarter operations, quicker responses, and sustainable growth. In the current marketplace, simply having technology is insufficient. Organizations
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Noida, Uttar Pradesh, In
Services Provided+14 Services
3% Mobile App Development (iOS & Android)
2% E-Commerce Development
3% Legacy System Modernization
7% Custom Web Application Development
AI Summary
“KrafNext enables enterprises to achieve intelligent digital transformation by integrating technology, AI, automation, and growth strategies into scalable, efficient, and resilient business systems.”
Onechair.dev
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
OneChair.de is a software development firm that creates customized enterprise-level software up to 97% quicker than conventional agencies. Utilizing OneSpark, a unique system that operates over 85 AI agents simultaneously, OneChair provides software solutions in a matter of weeks rather than months,
Highlights
$10,000+
Min Project Size
2-9
Employees
Services Provided+8 Services
25% Custom Web Application Development
15% Backend Development
5% Legacy System Modernization
5% API Development & Integration
AI Summary
“OneChair.dev delivers customized, enterprise-grade software rapidly using AI-driven processes, offering scalable internal tools and compliant solutions for startups and growth teams with fixed pricing.”
Amplify Tech Labs
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
At Amplify Tech Labs, our focus extends beyond software development; we aim to achieve tangible outcomes. With a results-driven strategy, we are adept at transforming intricate challenges into effective solutions that boost your business growth. Whether you aim to introduce a new product or enhance
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+7 Services
13% Custom Web Application Development
5% Legacy System Modernization
5% QA & Software Testing
3% Code Review & Technical Audits
AI Summary
“Amplify Tech Labs specializes in delivering strategic software solutions that drive measurable growth, helping businesses innovate, scale, and thrive in a dynamic digital landscape.”

...

...

...

Latest insights & expert perspectives

Explore data-backed surveys with inputs from top industry experts.

Stated minimum project sizes among the firms listed under software development services on Edverise, with the $50,000 band shaded

Vendor Selection

Questions to Ask a Software Development Agency: Six With Proof

A vetting script for second-round agency calls: six questions, the document each answer has to produce, and what a directory listing or a badge really proves.

Nihar Ranjan Rout

10/31/2026

Three software development quotes of $38,000, $94,000 and $210,000 converted to effective hourly rates of $79, $73 and $87.50

Vendor Selection

How to Compare Software Development Quotes Priced 5x Apart

Three bids for the same build are rarely comparable as written. A normalization checklist, a weighted grid adapted from FAR Part 15.3, and the hourly arithmetic.

Akash Mohapatra

10/31/2026

Chart of minimum project size stated by firms listed under AI agent development on Edverise, with the $50,000 band highlighted

Vendor Selection

AI Agent Development Cost: Build, Tokens, Reliability

An AI agent has three costs. Compute the monthly token bill from published list prices, then set the build quote against what listed firms actually charge.

Santanu Prasad Sahoo

10/31/2026

Check All Our Blogs

One Platform. One Promise. One Trust.

Edverise is building the trusted way to find tech vendors. List your company early, or talk to us about backing the platform.